Home / 30,532,463.40-45,819,690.30-12,581,567.40

Finding the Fourth Proportional to 30,532,463.40, 45,819,690.30 and 12,581,567.40

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Solution

The fourth proportional to 30,532,463.40, 45,819,690.30 and 12,581,567.40 is: 18,881,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532,463.40 : 45,819,690.30 = 12,581,567.40 : x
  2. Step 2: Convert to fraction form
    30,532,463.40/45,819,690.30 = 12,581,567.40/x
  3. Step 3: Cross multiply
    30,532,463.40x = 45,819,690.30 × 12,581,567.40
  4. Step 4: Simplify right side
    30,532,463.40x = 576,483,521,756,576.25
  5. Step 5: Solve for x
    x = 576,483,521,756,576.25/30,532,463.40
  6. Step 6: Final answer
    x = 18,881,002.63

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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.