Home / 9,520,077.56-13,137,572.58-5,390,002.16

Finding the Fourth Proportional to 9,520,077.56, 13,137,572.58 and 5,390,002.16

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Solution

The fourth proportional to 9,520,077.56, 13,137,572.58 and 5,390,002.16 is: 7,438,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520,077.56 : 13,137,572.58 = 5,390,002.16 : x
  2. Step 2: Convert to fraction form
    9,520,077.56/13,137,572.58 = 5,390,002.16/x
  3. Step 3: Cross multiply
    9,520,077.56x = 13,137,572.58 × 5,390,002.16
  4. Step 4: Simplify right side
    9,520,077.56x = 70,811,544,583,356.78
  5. Step 5: Solve for x
    x = 70,811,544,583,356.78/9,520,077.56
  6. Step 6: Final answer
    x = 7,438,126.86

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1.5x scale

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.