Home / 18,944,092.80-28,402,142.40-10,434,038.40

Finding the Fourth Proportional to 18,944,092.80, 28,402,142.40 and 10,434,038.40

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Solution

The fourth proportional to 18,944,092.80, 28,402,142.40 and 10,434,038.40 is: 15,643,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944,092.80 : 28,402,142.40 = 10,434,038.40 : x
  2. Step 2: Convert to fraction form
    18,944,092.80/28,402,142.40 = 10,434,038.40/x
  3. Step 3: Cross multiply
    18,944,092.80x = 28,402,142.40 × 10,434,038.40
  4. Step 4: Simplify right side
    18,944,092.80x = 296,349,044,443,868.12
  5. Step 5: Solve for x
    x = 296,349,044,443,868.12/18,944,092.80
  6. Step 6: Final answer
    x = 15,643,348.43

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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.