Home / 8,779,131.56-13,142,460.41-5,310,373.71

Finding the Fourth Proportional to 8,779,131.56, 13,142,460.41 and 5,310,373.71

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Solution

The fourth proportional to 8,779,131.56, 13,142,460.41 and 5,310,373.71 is: 7,949,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,131.56 : 13,142,460.41 = 5,310,373.71 : x
  2. Step 2: Convert to fraction form
    8,779,131.56/13,142,460.41 = 5,310,373.71/x
  3. Step 3: Cross multiply
    8,779,131.56x = 13,142,460.41 × 5,310,373.71
  4. Step 4: Simplify right side
    8,779,131.56x = 69,791,376,219,427.95
  5. Step 5: Solve for x
    x = 69,791,376,219,427.95/8,779,131.56
  6. Step 6: Final answer
    x = 7,949,690.21

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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.