Home / 8,761,806.90-13,142,710.35-6,210,890.10

Finding the Fourth Proportional to 8,761,806.90, 13,142,710.35 and 6,210,890.10

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Solution

The fourth proportional to 8,761,806.90, 13,142,710.35 and 6,210,890.10 is: 9,316,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,806.90 : 13,142,710.35 = 6,210,890.10 : x
  2. Step 2: Convert to fraction form
    8,761,806.90/13,142,710.35 = 6,210,890.10/x
  3. Step 3: Cross multiply
    8,761,806.90x = 13,142,710.35 × 6,210,890.10
  4. Step 4: Simplify right side
    8,761,806.90x = 81,627,929,599,982.53
  5. Step 5: Solve for x
    x = 81,627,929,599,982.53/8,761,806.90
  6. Step 6: Final answer
    x = 9,316,335.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.