Home / 8,761,812.90-13,142,719.35-6,210,896.10

Finding the Fourth Proportional to 8,761,812.90, 13,142,719.35 and 6,210,896.10

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Solution

The fourth proportional to 8,761,812.90, 13,142,719.35 and 6,210,896.10 is: 9,316,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,812.90 : 13,142,719.35 = 6,210,896.10 : x
  2. Step 2: Convert to fraction form
    8,761,812.90/13,142,719.35 = 6,210,896.10/x
  3. Step 3: Cross multiply
    8,761,812.90x = 13,142,719.35 × 6,210,896.10
  4. Step 4: Simplify right side
    8,761,812.90x = 81,628,064,354,309.53
  5. Step 5: Solve for x
    x = 81,628,064,354,309.53/8,761,812.90
  6. Step 6: Final answer
    x = 9,316,344.15

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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.