Home / 18,904,881.40-28,357,322.10-5,258,001.40

Finding the Fourth Proportional to 18,904,881.40, 28,357,322.10 and 5,258,001.40

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Solution

The fourth proportional to 18,904,881.40, 28,357,322.10 and 5,258,001.40 is: 7,887,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,881.40 : 28,357,322.10 = 5,258,001.40 : x
  2. Step 2: Convert to fraction form
    18,904,881.40/28,357,322.10 = 5,258,001.40/x
  3. Step 3: Cross multiply
    18,904,881.40x = 28,357,322.10 × 5,258,001.40
  4. Step 4: Simplify right side
    18,904,881.40x = 149,102,839,302,050.97
  5. Step 5: Solve for x
    x = 149,102,839,302,050.97/18,904,881.40
  6. Step 6: Final answer
    x = 7,887,002.10

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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.