Home / 15,427,724.04-21,285,950.45-12,154,380.39

Finding the Fourth Proportional to 15,427,724.04, 21,285,950.45 and 12,154,380.39

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Solution

The fourth proportional to 15,427,724.04, 21,285,950.45 and 12,154,380.39 is: 16,769,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427,724.04 : 21,285,950.45 = 12,154,380.39 : x
  2. Step 2: Convert to fraction form
    15,427,724.04/21,285,950.45 = 12,154,380.39/x
  3. Step 3: Cross multiply
    15,427,724.04x = 21,285,950.45 × 12,154,380.39
  4. Step 4: Simplify right side
    15,427,724.04x = 258,717,538,671,219.78
  5. Step 5: Solve for x
    x = 258,717,538,671,219.78/15,427,724.04
  6. Step 6: Final answer
    x = 16,769,650.40

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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.