Home / 47,388,001.80-71,082,002.70-26,980,667.40

Finding the Fourth Proportional to 47,388,001.80, 71,082,002.70 and 26,980,667.40

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Solution

The fourth proportional to 47,388,001.80, 71,082,002.70 and 26,980,667.40 is: 40,471,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388,001.80 : 71,082,002.70 = 26,980,667.40 : x
  2. Step 2: Convert to fraction form
    47,388,001.80/71,082,002.70 = 26,980,667.40/x
  3. Step 3: Cross multiply
    47,388,001.80x = 71,082,002.70 × 26,980,667.40
  4. Step 4: Simplify right side
    47,388,001.80x = 1,917,839,872,974,602
  5. Step 5: Solve for x
    x = 1,917,839,872,974,602/47,388,001.80
  6. Step 6: Final answer
    x = 40,471,001.10

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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.