Home / 14,013,497.80-21,020,246.70-8,604,609.40

Finding the Fourth Proportional to 14,013,497.80, 21,020,246.70 and 8,604,609.40

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Solution

The fourth proportional to 14,013,497.80, 21,020,246.70 and 8,604,609.40 is: 12,906,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,497.80 : 21,020,246.70 = 8,604,609.40 : x
  2. Step 2: Convert to fraction form
    14,013,497.80/21,020,246.70 = 8,604,609.40/x
  3. Step 3: Cross multiply
    14,013,497.80x = 21,020,246.70 × 8,604,609.40
  4. Step 4: Simplify right side
    14,013,497.80x = 180,871,012,345,138.97
  5. Step 5: Solve for x
    x = 180,871,012,345,138.97/14,013,497.80
  6. Step 6: Final answer
    x = 12,906,914.10

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Similar ratio
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1.5x scale

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.