Home / 13,208,712.30-19,813,068.45-8,904,040.20

Finding the Fourth Proportional to 13,208,712.30, 19,813,068.45 and 8,904,040.20

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Solution

The fourth proportional to 13,208,712.30, 19,813,068.45 and 8,904,040.20 is: 13,356,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,712.30 : 19,813,068.45 = 8,904,040.20 : x
  2. Step 2: Convert to fraction form
    13,208,712.30/19,813,068.45 = 8,904,040.20/x
  3. Step 3: Cross multiply
    13,208,712.30x = 19,813,068.45 × 8,904,040.20
  4. Step 4: Simplify right side
    13,208,712.30x = 176,416,357,964,151.66
  5. Step 5: Solve for x
    x = 176,416,357,964,151.66/13,208,712.30
  6. Step 6: Final answer
    x = 13,356,060.30

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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.