Home / 7,261,421.70-10,868,512.95-5,655,288.90

Finding the Fourth Proportional to 7,261,421.70, 10,868,512.95 and 5,655,288.90

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Solution

The fourth proportional to 7,261,421.70, 10,868,512.95 and 5,655,288.90 is: 8,464,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,421.70 : 10,868,512.95 = 5,655,288.90 : x
  2. Step 2: Convert to fraction form
    7,261,421.70/10,868,512.95 = 5,655,288.90/x
  3. Step 3: Cross multiply
    7,261,421.70x = 10,868,512.95 × 5,655,288.90
  4. Step 4: Simplify right side
    7,261,421.70x = 61,464,580,645,641.26
  5. Step 5: Solve for x
    x = 61,464,580,645,641.26/7,261,421.70
  6. Step 6: Final answer
    x = 8,464,538.10

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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.