Home / 42,608,094.56-63,912,608.40-12,316,220

Finding the Fourth Proportional to 42,608,094.56, 63,912,608.40 and 12,316,220

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Solution

The fourth proportional to 42,608,094.56, 63,912,608.40 and 12,316,220 is: 18,474,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,608,094.56 : 63,912,608.40 = 12,316,220 : x
  2. Step 2: Convert to fraction form
    42,608,094.56/63,912,608.40 = 12,316,220/x
  3. Step 3: Cross multiply
    42,608,094.56x = 63,912,608.40 × 12,316,220
  4. Step 4: Simplify right side
    42,608,094.56x = 787,161,745,828,248
  5. Step 5: Solve for x
    x = 787,161,745,828,248/42,608,094.56
  6. Step 6: Final answer
    x = 18,474,464.86

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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.