Home / 28,602,529.52-39,471,939.83-15,549,838.28

Finding the Fourth Proportional to 28,602,529.52, 39,471,939.83 and 15,549,838.28

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Solution

The fourth proportional to 28,602,529.52, 39,471,939.83 and 15,549,838.28 is: 21,459,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602,529.52 : 39,471,939.83 = 15,549,838.28 : x
  2. Step 2: Convert to fraction form
    28,602,529.52/39,471,939.83 = 15,549,838.28/x
  3. Step 3: Cross multiply
    28,602,529.52x = 39,471,939.83 × 15,549,838.28
  4. Step 4: Simplify right side
    28,602,529.52x = 613,782,280,679,281.88
  5. Step 5: Solve for x
    x = 613,782,280,679,281.88/28,602,529.52
  6. Step 6: Final answer
    x = 21,459,020.97

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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.