Home / 15,009,697.16-20,713,399.80-8,134,179.23

Finding the Fourth Proportional to 15,009,697.16, 20,713,399.80 and 8,134,179.23

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Solution

The fourth proportional to 15,009,697.16, 20,713,399.80 and 8,134,179.23 is: 11,225,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,697.16 : 20,713,399.80 = 8,134,179.23 : x
  2. Step 2: Convert to fraction form
    15,009,697.16/20,713,399.80 = 8,134,179.23/x
  3. Step 3: Cross multiply
    15,009,697.16x = 20,713,399.80 × 8,134,179.23
  4. Step 4: Simplify right side
    15,009,697.16x = 168,486,506,332,279.16
  5. Step 5: Solve for x
    x = 168,486,506,332,279.16/15,009,697.16
  6. Step 6: Final answer
    x = 11,225,176.93

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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.