Home / 28,842,748.14-39,829,972.60-18,547,358.70

Finding the Fourth Proportional to 28,842,748.14, 39,829,972.60 and 18,547,358.70

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Solution

The fourth proportional to 28,842,748.14, 39,829,972.60 and 18,547,358.70 is: 25,612,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842,748.14 : 39,829,972.60 = 18,547,358.70 : x
  2. Step 2: Convert to fraction form
    28,842,748.14/39,829,972.60 = 18,547,358.70/x
  3. Step 3: Cross multiply
    28,842,748.14x = 39,829,972.60 × 18,547,358.70
  4. Step 4: Simplify right side
    28,842,748.14x = 738,740,788,823,371.62
  5. Step 5: Solve for x
    x = 738,740,788,823,371.62/28,842,748.14
  6. Step 6: Final answer
    x = 25,612,704.63

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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.