Home / 40,788,560.50-61,141,931.66-18,944,280.45

Finding the Fourth Proportional to 40,788,560.50, 61,141,931.66 and 18,944,280.45

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Solution

The fourth proportional to 40,788,560.50, 61,141,931.66 and 18,944,280.45 is: 28,397,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788,560.50 : 61,141,931.66 = 18,944,280.45 : x
  2. Step 2: Convert to fraction form
    40,788,560.50/61,141,931.66 = 18,944,280.45/x
  3. Step 3: Cross multiply
    40,788,560.50x = 61,141,931.66 × 18,944,280.45
  4. Step 4: Simplify right side
    40,788,560.50x = 1,158,289,900,669,134.75
  5. Step 5: Solve for x
    x = 1,158,289,900,669,134.75/40,788,560.50
  6. Step 6: Final answer
    x = 28,397,420.42

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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.