Home / 28,656,234-39,545,434.54-15,603,461.76

Finding the Fourth Proportional to 28,656,234, 39,545,434.54 and 15,603,461.76

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Solution

The fourth proportional to 28,656,234, 39,545,434.54 and 15,603,461.76 is: 21,532,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,234 : 39,545,434.54 = 15,603,461.76 : x
  2. Step 2: Convert to fraction form
    28,656,234/39,545,434.54 = 15,603,461.76/x
  3. Step 3: Cross multiply
    28,656,234x = 39,545,434.54 × 15,603,461.76
  4. Step 4: Simplify right side
    28,656,234x = 617,045,675,627,473.12
  5. Step 5: Solve for x
    x = 617,045,675,627,473.12/28,656,234
  6. Step 6: Final answer
    x = 21,532,685.55

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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.