Home / 28,134,327.07-42,195,585.63-7,934,845.15

Finding the Fourth Proportional to 28,134,327.07, 42,195,585.63 and 7,934,845.15

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Solution

The fourth proportional to 28,134,327.07, 42,195,585.63 and 7,934,845.15 is: 11,900,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,327.07 : 42,195,585.63 = 7,934,845.15 : x
  2. Step 2: Convert to fraction form
    28,134,327.07/42,195,585.63 = 7,934,845.15/x
  3. Step 3: Cross multiply
    28,134,327.07x = 42,195,585.63 × 7,934,845.15
  4. Step 4: Simplify right side
    28,134,327.07x = 334,815,438,047,802.56
  5. Step 5: Solve for x
    x = 334,815,438,047,802.56/28,134,327.07
  6. Step 6: Final answer
    x = 11,900,602.32

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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.