Home / 28,733,598.69-39,653,206.07-15,681,695.28

Finding the Fourth Proportional to 28,733,598.69, 39,653,206.07 and 15,681,695.28

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Solution

The fourth proportional to 28,733,598.69, 39,653,206.07 and 15,681,695.28 is: 21,641,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,598.69 : 39,653,206.07 = 15,681,695.28 : x
  2. Step 2: Convert to fraction form
    28,733,598.69/39,653,206.07 = 15,681,695.28/x
  3. Step 3: Cross multiply
    28,733,598.69x = 39,653,206.07 × 15,681,695.28
  4. Step 4: Simplify right side
    28,733,598.69x = 621,829,494,386,377.75
  5. Step 5: Solve for x
    x = 621,829,494,386,377.75/28,733,598.69
  6. Step 6: Final answer
    x = 21,641,197.86

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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.