Home / 18,916,000.80-28,378,148.40-6,134,330.40

Finding the Fourth Proportional to 18,916,000.80, 28,378,148.40 and 6,134,330.40

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Solution

The fourth proportional to 18,916,000.80, 28,378,148.40 and 6,134,330.40 is: 9,202,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,000.80 : 28,378,148.40 = 6,134,330.40 : x
  2. Step 2: Convert to fraction form
    18,916,000.80/28,378,148.40 = 6,134,330.40/x
  3. Step 3: Cross multiply
    18,916,000.80x = 28,378,148.40 × 6,134,330.40
  4. Step 4: Simplify right side
    18,916,000.80x = 174,080,938,425,831.38
  5. Step 5: Solve for x
    x = 174,080,938,425,831.38/18,916,000.80
  6. Step 6: Final answer
    x = 9,202,840.51

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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.