Home / 28,964,599.47-39,971,556.68-15,913,064.61

Finding the Fourth Proportional to 28,964,599.47, 39,971,556.68 and 15,913,064.61

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Solution

The fourth proportional to 28,964,599.47, 39,971,556.68 and 15,913,064.61 is: 21,960,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,599.47 : 39,971,556.68 = 15,913,064.61 : x
  2. Step 2: Convert to fraction form
    28,964,599.47/39,971,556.68 = 15,913,064.61/x
  3. Step 3: Cross multiply
    28,964,599.47x = 39,971,556.68 × 15,913,064.61
  4. Step 4: Simplify right side
    28,964,599.47x = 636,069,963,931,551.75
  5. Step 5: Solve for x
    x = 636,069,963,931,551.75/28,964,599.47
  6. Step 6: Final answer
    x = 21,960,254.09

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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.