Home / 12,187,541.56-16,818,566.88-6,680,928.28

Finding the Fourth Proportional to 12,187,541.56, 16,818,566.88 and 6,680,928.28

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Solution

The fourth proportional to 12,187,541.56, 16,818,566.88 and 6,680,928.28 is: 9,219,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,541.56 : 16,818,566.88 = 6,680,928.28 : x
  2. Step 2: Convert to fraction form
    12,187,541.56/16,818,566.88 = 6,680,928.28/x
  3. Step 3: Cross multiply
    12,187,541.56x = 16,818,566.88 × 6,680,928.28
  4. Step 4: Simplify right side
    12,187,541.56x = 112,363,639,097,663.36
  5. Step 5: Solve for x
    x = 112,363,639,097,663.36/12,187,541.56
  6. Step 6: Final answer
    x = 9,219,549.20

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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.