Home / 28,417,233.60-42,625,850.40-19,347,307.20

Finding the Fourth Proportional to 28,417,233.60, 42,625,850.40 and 19,347,307.20

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Solution

The fourth proportional to 28,417,233.60, 42,625,850.40 and 19,347,307.20 is: 29,020,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417,233.60 : 42,625,850.40 = 19,347,307.20 : x
  2. Step 2: Convert to fraction form
    28,417,233.60/42,625,850.40 = 19,347,307.20/x
  3. Step 3: Cross multiply
    28,417,233.60x = 42,625,850.40 × 19,347,307.20
  4. Step 4: Simplify right side
    28,417,233.60x = 824,695,422,350,042.88
  5. Step 5: Solve for x
    x = 824,695,422,350,042.88/28,417,233.60
  6. Step 6: Final answer
    x = 29,020,960.80

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1.5x scale

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.