Home / 30,574,775.95-42,191,925.78-16,636,188.43

Finding the Fourth Proportional to 30,574,775.95, 42,191,925.78 and 16,636,188.43

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Solution

The fourth proportional to 30,574,775.95, 42,191,925.78 and 16,636,188.43 is: 22,957,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574,775.95 : 42,191,925.78 = 16,636,188.43 : x
  2. Step 2: Convert to fraction form
    30,574,775.95/42,191,925.78 = 16,636,188.43/x
  3. Step 3: Cross multiply
    30,574,775.95x = 42,191,925.78 × 16,636,188.43
  4. Step 4: Simplify right side
    30,574,775.95x = 701,912,827,500,654.75
  5. Step 5: Solve for x
    x = 701,912,827,500,654.75/30,574,775.95
  6. Step 6: Final answer
    x = 22,957,251.71

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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.