Home / 12,913,548.60-17,821,506-7,112,329

Finding the Fourth Proportional to 12,913,548.60, 17,821,506 and 7,112,329

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Solution

The fourth proportional to 12,913,548.60, 17,821,506 and 7,112,329 is: 9,815,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,548.60 : 17,821,506 = 7,112,329 : x
  2. Step 2: Convert to fraction form
    12,913,548.60/17,821,506 = 7,112,329/x
  3. Step 3: Cross multiply
    12,913,548.60x = 17,821,506 × 7,112,329
  4. Step 4: Simplify right side
    12,913,548.60x = 126,752,413,947,474
  5. Step 5: Solve for x
    x = 126,752,413,947,474/12,913,548.60
  6. Step 6: Final answer
    x = 9,815,459.55

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1.5x scale

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.