Home / 13,547,000.19-18,694,870.02-7,352,045.27

Finding the Fourth Proportional to 13,547,000.19, 18,694,870.02 and 7,352,045.27

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Solution

The fourth proportional to 13,547,000.19, 18,694,870.02 and 7,352,045.27 is: 10,145,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547,000.19 : 18,694,870.02 = 7,352,045.27 : x
  2. Step 2: Convert to fraction form
    13,547,000.19/18,694,870.02 = 7,352,045.27/x
  3. Step 3: Cross multiply
    13,547,000.19x = 18,694,870.02 × 7,352,045.27
  4. Step 4: Simplify right side
    13,547,000.19x = 137,445,530,610,331.45
  5. Step 5: Solve for x
    x = 137,445,530,610,331.45/13,547,000.19
  6. Step 6: Final answer
    x = 10,145,827.76

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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.