Home / 20,088,001.20-30,132,001.80-10,506,316.80

Finding the Fourth Proportional to 20,088,001.20, 30,132,001.80 and 10,506,316.80

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Solution

The fourth proportional to 20,088,001.20, 30,132,001.80 and 10,506,316.80 is: 15,759,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088,001.20 : 30,132,001.80 = 10,506,316.80 : x
  2. Step 2: Convert to fraction form
    20,088,001.20/30,132,001.80 = 10,506,316.80/x
  3. Step 3: Cross multiply
    20,088,001.20x = 30,132,001.80 × 10,506,316.80
  4. Step 4: Simplify right side
    20,088,001.20x = 316,576,356,728,970.25
  5. Step 5: Solve for x
    x = 316,576,356,728,970.25/20,088,001.20
  6. Step 6: Final answer
    x = 15,759,475.20

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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.