Home / 13,417,465.60-18,511,381.20-8,773,968.88

Finding the Fourth Proportional to 13,417,465.60, 18,511,381.20 and 8,773,968.88

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Solution

The fourth proportional to 13,417,465.60, 18,511,381.20 and 8,773,968.88 is: 12,104,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417,465.60 : 18,511,381.20 = 8,773,968.88 : x
  2. Step 2: Convert to fraction form
    13,417,465.60/18,511,381.20 = 8,773,968.88/x
  3. Step 3: Cross multiply
    13,417,465.60x = 18,511,381.20 × 8,773,968.88
  4. Step 4: Simplify right side
    13,417,465.60x = 162,418,282,574,617.06
  5. Step 5: Solve for x
    x = 162,418,282,574,617.06/13,417,465.60
  6. Step 6: Final answer
    x = 12,104,989.68

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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.