Home / 20,088,001.70-30,132,002.55-10,506,317.30

Finding the Fourth Proportional to 20,088,001.70, 30,132,002.55 and 10,506,317.30

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Solution

The fourth proportional to 20,088,001.70, 30,132,002.55 and 10,506,317.30 is: 15,759,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088,001.70 : 30,132,002.55 = 10,506,317.30 : x
  2. Step 2: Convert to fraction form
    20,088,001.70/30,132,002.55 = 10,506,317.30/x
  3. Step 3: Cross multiply
    20,088,001.70x = 30,132,002.55 × 10,506,317.30
  4. Step 4: Simplify right side
    20,088,001.70x = 316,576,379,674,709.12
  5. Step 5: Solve for x
    x = 316,576,379,674,709.12/20,088,001.70
  6. Step 6: Final answer
    x = 15,759,475.95

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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.