Home / 13,341,952.79-18,411,910.59-7,230,381.29

Finding the Fourth Proportional to 13,341,952.79, 18,411,910.59 and 7,230,381.29

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Solution

The fourth proportional to 13,341,952.79, 18,411,910.59 and 7,230,381.29 is: 9,977,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,952.79 : 18,411,910.59 = 7,230,381.29 : x
  2. Step 2: Convert to fraction form
    13,341,952.79/18,411,910.59 = 7,230,381.29/x
  3. Step 3: Cross multiply
    13,341,952.79x = 18,411,910.59 × 7,230,381.29
  4. Step 4: Simplify right side
    13,341,952.79x = 133,125,133,843,088.86
  5. Step 5: Solve for x
    x = 133,125,133,843,088.86/13,341,952.79
  6. Step 6: Final answer
    x = 9,977,934.71

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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.