Home / 46,656,417.40-69,984,626.10-12,581,207.80

Finding the Fourth Proportional to 46,656,417.40, 69,984,626.10 and 12,581,207.80

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Solution

The fourth proportional to 46,656,417.40, 69,984,626.10 and 12,581,207.80 is: 18,871,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,417.40 : 69,984,626.10 = 12,581,207.80 : x
  2. Step 2: Convert to fraction form
    46,656,417.40/69,984,626.10 = 12,581,207.80/x
  3. Step 3: Cross multiply
    46,656,417.40x = 69,984,626.10 × 12,581,207.80
  4. Step 4: Simplify right side
    46,656,417.40x = 880,491,123,769,403.50
  5. Step 5: Solve for x
    x = 880,491,123,769,403.50/46,656,417.40
  6. Step 6: Final answer
    x = 18,871,811.70

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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.