Home / 14,078,332.40-19,418,061.96-12,920,510.90

Finding the Fourth Proportional to 14,078,332.40, 19,418,061.96 and 12,920,510.90

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Solution

The fourth proportional to 14,078,332.40, 19,418,061.96 and 12,920,510.90 is: 17,821,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,332.40 : 19,418,061.96 = 12,920,510.90 : x
  2. Step 2: Convert to fraction form
    14,078,332.40/19,418,061.96 = 12,920,510.90/x
  3. Step 3: Cross multiply
    14,078,332.40x = 19,418,061.96 × 12,920,510.90
  4. Step 4: Simplify right side
    14,078,332.40x = 250,891,281,259,600.53
  5. Step 5: Solve for x
    x = 250,891,281,259,600.53/14,078,332.40
  6. Step 6: Final answer
    x = 17,821,093.74

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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.