Home / 28,689,364.24-39,592,152.40-15,637,468.52

Finding the Fourth Proportional to 28,689,364.24, 39,592,152.40 and 15,637,468.52

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Solution

The fourth proportional to 28,689,364.24, 39,592,152.40 and 15,637,468.52 is: 21,580,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,364.24 : 39,592,152.40 = 15,637,468.52 : x
  2. Step 2: Convert to fraction form
    28,689,364.24/39,592,152.40 = 15,637,468.52/x
  3. Step 3: Cross multiply
    28,689,364.24x = 39,592,152.40 × 15,637,468.52
  4. Step 4: Simplify right side
    28,689,364.24x = 619,121,036,794,042.38
  5. Step 5: Solve for x
    x = 619,121,036,794,042.38/28,689,364.24
  6. Step 6: Final answer
    x = 21,580,158.83

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1.5x scale

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.