Home / 42,624,725.32-63,921,218.52-15,323,567.86

Finding the Fourth Proportional to 42,624,725.32, 63,921,218.52 and 15,323,567.86

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Solution

The fourth proportional to 42,624,725.32, 63,921,218.52 and 15,323,567.86 is: 22,979,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624,725.32 : 63,921,218.52 = 15,323,567.86 : x
  2. Step 2: Convert to fraction form
    42,624,725.32/63,921,218.52 = 15,323,567.86/x
  3. Step 3: Cross multiply
    42,624,725.32x = 63,921,218.52 × 15,323,567.86
  4. Step 4: Simplify right side
    42,624,725.32x = 979,501,129,685,108.75
  5. Step 5: Solve for x
    x = 979,501,129,685,108.75/42,624,725.32
  6. Step 6: Final answer
    x = 22,979,646.73

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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.