Home / 28,690,292.68-39,592,255.52-15,637,511.24

Finding the Fourth Proportional to 28,690,292.68, 39,592,255.52 and 15,637,511.24

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Solution

The fourth proportional to 28,690,292.68, 39,592,255.52 and 15,637,511.24 is: 21,579,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690,292.68 : 39,592,255.52 = 15,637,511.24 : x
  2. Step 2: Convert to fraction form
    28,690,292.68/39,592,255.52 = 15,637,511.24/x
  3. Step 3: Cross multiply
    28,690,292.68x = 39,592,255.52 × 15,637,511.24
  4. Step 4: Simplify right side
    28,690,292.68x = 619,124,340,710,952.12
  5. Step 5: Solve for x
    x = 619,124,340,710,952.12/28,690,292.68
  6. Step 6: Final answer
    x = 21,579,575.63

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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.