Home / 8,736,986.90-13,105,480.35-6,186,070.10

Finding the Fourth Proportional to 8,736,986.90, 13,105,480.35 and 6,186,070.10

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Solution

The fourth proportional to 8,736,986.90, 13,105,480.35 and 6,186,070.10 is: 9,279,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,986.90 : 13,105,480.35 = 6,186,070.10 : x
  2. Step 2: Convert to fraction form
    8,736,986.90/13,105,480.35 = 6,186,070.10/x
  3. Step 3: Cross multiply
    8,736,986.90x = 13,105,480.35 × 6,186,070.10
  4. Step 4: Simplify right side
    8,736,986.90x = 81,071,420,139,272.53
  5. Step 5: Solve for x
    x = 81,071,420,139,272.53/8,736,986.90
  6. Step 6: Final answer
    x = 9,279,105.15

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Double scale
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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.