Home / 9,487,678.20-13,092,837.12-5,136,729.18

Finding the Fourth Proportional to 9,487,678.20, 13,092,837.12 and 5,136,729.18

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Solution

The fourth proportional to 9,487,678.20, 13,092,837.12 and 5,136,729.18 is: 7,088,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487,678.20 : 13,092,837.12 = 5,136,729.18 : x
  2. Step 2: Convert to fraction form
    9,487,678.20/13,092,837.12 = 5,136,729.18/x
  3. Step 3: Cross multiply
    9,487,678.20x = 13,092,837.12 × 5,136,729.18
  4. Step 4: Simplify right side
    9,487,678.20x = 67,254,358,483,291.16
  5. Step 5: Solve for x
    x = 67,254,358,483,291.16/9,487,678.20
  6. Step 6: Final answer
    x = 7,088,600.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.