Home / 14,390,887.50-19,859,476.59-7,864,519.95

Finding the Fourth Proportional to 14,390,887.50, 19,859,476.59 and 7,864,519.95

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Solution

The fourth proportional to 14,390,887.50, 19,859,476.59 and 7,864,519.95 is: 10,853,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390,887.50 : 19,859,476.59 = 7,864,519.95 : x
  2. Step 2: Convert to fraction form
    14,390,887.50/19,859,476.59 = 7,864,519.95/x
  3. Step 3: Cross multiply
    14,390,887.50x = 19,859,476.59 × 7,864,519.95
  4. Step 4: Simplify right side
    14,390,887.50x = 156,185,249,838,612.97
  5. Step 5: Solve for x
    x = 156,185,249,838,612.97/14,390,887.50
  6. Step 6: Final answer
    x = 10,853,065.86

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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.