Home / 28,184,516.86-42,266,405.56-9,735,766.90

Finding the Fourth Proportional to 28,184,516.86, 42,266,405.56 and 9,735,766.90

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Solution

The fourth proportional to 28,184,516.86, 42,266,405.56 and 9,735,766.90 is: 14,600,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184,516.86 : 42,266,405.56 = 9,735,766.90 : x
  2. Step 2: Convert to fraction form
    28,184,516.86/42,266,405.56 = 9,735,766.90/x
  3. Step 3: Cross multiply
    28,184,516.86x = 42,266,405.56 × 9,735,766.90
  4. Step 4: Simplify right side
    28,184,516.86x = 411,495,872,233,024
  5. Step 5: Solve for x
    x = 411,495,872,233,024/28,184,516.86
  6. Step 6: Final answer
    x = 14,600,068.34

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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.