Home / 12,308,802.52-18,446,700.02-9,579,645.45

Finding the Fourth Proportional to 12,308,802.52, 18,446,700.02 and 9,579,645.45

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Solution

The fourth proportional to 12,308,802.52, 18,446,700.02 and 9,579,645.45 is: 14,356,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,802.52 : 18,446,700.02 = 9,579,645.45 : x
  2. Step 2: Convert to fraction form
    12,308,802.52/18,446,700.02 = 9,579,645.45/x
  3. Step 3: Cross multiply
    12,308,802.52x = 18,446,700.02 × 9,579,645.45
  4. Step 4: Simplify right side
    12,308,802.52x = 176,712,845,914,107.91
  5. Step 5: Solve for x
    x = 176,712,845,914,107.91/12,308,802.52
  6. Step 6: Final answer
    x = 14,356,623.70

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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.