Home / 10,142,630.64-15,232,899.96-8,928,641.52

Finding the Fourth Proportional to 10,142,630.64, 15,232,899.96 and 8,928,641.52

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Solution

The fourth proportional to 10,142,630.64, 15,232,899.96 and 8,928,641.52 is: 13,409,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142,630.64 : 15,232,899.96 = 8,928,641.52 : x
  2. Step 2: Convert to fraction form
    10,142,630.64/15,232,899.96 = 8,928,641.52/x
  3. Step 3: Cross multiply
    10,142,630.64x = 15,232,899.96 × 8,928,641.52
  4. Step 4: Simplify right side
    10,142,630.64x = 136,009,103,052,862.34
  5. Step 5: Solve for x
    x = 136,009,103,052,862.34/10,142,630.64
  6. Step 6: Final answer
    x = 13,409,647.64

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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.