Home / 12,553,206.30-18,829,809.45-9,715,355.10

Finding the Fourth Proportional to 12,553,206.30, 18,829,809.45 and 9,715,355.10

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Solution

The fourth proportional to 12,553,206.30, 18,829,809.45 and 9,715,355.10 is: 14,573,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553,206.30 : 18,829,809.45 = 9,715,355.10 : x
  2. Step 2: Convert to fraction form
    12,553,206.30/18,829,809.45 = 9,715,355.10/x
  3. Step 3: Cross multiply
    12,553,206.30x = 18,829,809.45 × 9,715,355.10
  4. Step 4: Simplify right side
    12,553,206.30x = 182,938,285,272,085.69
  5. Step 5: Solve for x
    x = 182,938,285,272,085.69/12,553,206.30
  6. Step 6: Final answer
    x = 14,573,032.65

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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.