Home / 7,139,580.10-9,852,562.65-3,876,330.40

Finding the Fourth Proportional to 7,139,580.10, 9,852,562.65 and 3,876,330.40

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Solution

The fourth proportional to 7,139,580.10, 9,852,562.65 and 3,876,330.40 is: 5,349,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,580.10 : 9,852,562.65 = 3,876,330.40 : x
  2. Step 2: Convert to fraction form
    7,139,580.10/9,852,562.65 = 3,876,330.40/x
  3. Step 3: Cross multiply
    7,139,580.10x = 9,852,562.65 × 3,876,330.40
  4. Step 4: Simplify right side
    7,139,580.10x = 38,191,788,118,099.56
  5. Step 5: Solve for x
    x = 38,191,788,118,099.56/7,139,580.10
  6. Step 6: Final answer
    x = 5,349,304.52

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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.