Home / 13,437,052.20-20,155,578.30-7,369,439.40

Finding the Fourth Proportional to 13,437,052.20, 20,155,578.30 and 7,369,439.40

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Solution

The fourth proportional to 13,437,052.20, 20,155,578.30 and 7,369,439.40 is: 11,054,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437,052.20 : 20,155,578.30 = 7,369,439.40 : x
  2. Step 2: Convert to fraction form
    13,437,052.20/20,155,578.30 = 7,369,439.40/x
  3. Step 3: Cross multiply
    13,437,052.20x = 20,155,578.30 × 7,369,439.40
  4. Step 4: Simplify right side
    13,437,052.20x = 148,535,312,853,805.03
  5. Step 5: Solve for x
    x = 148,535,312,853,805.03/13,437,052.20
  6. Step 6: Final answer
    x = 11,054,159.10

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1.5x scale

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.