Home / 10,891,987.30-16,337,980.95-10,369,440.10

Finding the Fourth Proportional to 10,891,987.30, 16,337,980.95 and 10,369,440.10

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Solution

The fourth proportional to 10,891,987.30, 16,337,980.95 and 10,369,440.10 is: 15,554,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,987.30 : 16,337,980.95 = 10,369,440.10 : x
  2. Step 2: Convert to fraction form
    10,891,987.30/16,337,980.95 = 10,369,440.10/x
  3. Step 3: Cross multiply
    10,891,987.30x = 16,337,980.95 × 10,369,440.10
  4. Step 4: Simplify right side
    10,891,987.30x = 169,415,714,815,966.09
  5. Step 5: Solve for x
    x = 169,415,714,815,966.09/10,891,987.30
  6. Step 6: Final answer
    x = 15,554,160.15

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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.