Home / 46,656,421.40-69,984,632.10-12,581,211.80

Finding the Fourth Proportional to 46,656,421.40, 69,984,632.10 and 12,581,211.80

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Solution

The fourth proportional to 46,656,421.40, 69,984,632.10 and 12,581,211.80 is: 18,871,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,421.40 : 69,984,632.10 = 12,581,211.80 : x
  2. Step 2: Convert to fraction form
    46,656,421.40/69,984,632.10 = 12,581,211.80/x
  3. Step 3: Cross multiply
    46,656,421.40x = 69,984,632.10 × 12,581,211.80
  4. Step 4: Simplify right side
    46,656,421.40x = 880,491,479,195,178.75
  5. Step 5: Solve for x
    x = 880,491,479,195,178.75/46,656,421.40
  6. Step 6: Final answer
    x = 18,871,817.70

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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.