Home / 27,315,248.64-40,993,080.80-12,938,391.76

Finding the Fourth Proportional to 27,315,248.64, 40,993,080.80 and 12,938,391.76

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Solution

The fourth proportional to 27,315,248.64, 40,993,080.80 and 12,938,391.76 is: 19,417,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315,248.64 : 40,993,080.80 = 12,938,391.76 : x
  2. Step 2: Convert to fraction form
    27,315,248.64/40,993,080.80 = 12,938,391.76/x
  3. Step 3: Cross multiply
    27,315,248.64x = 40,993,080.80 × 12,938,391.76
  4. Step 4: Simplify right side
    27,315,248.64x = 530,384,538,839,734.19
  5. Step 5: Solve for x
    x = 530,384,538,839,734.19/27,315,248.64
  6. Step 6: Final answer
    x = 19,417,159.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.