Home / 31,485,446.80-47,249,165.40-14,437,344.40

Finding the Fourth Proportional to 31,485,446.80, 47,249,165.40 and 14,437,344.40

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Solution

The fourth proportional to 31,485,446.80, 47,249,165.40 and 14,437,344.40 is: 21,665,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485,446.80 : 47,249,165.40 = 14,437,344.40 : x
  2. Step 2: Convert to fraction form
    31,485,446.80/47,249,165.40 = 14,437,344.40/x
  3. Step 3: Cross multiply
    31,485,446.80x = 47,249,165.40 × 14,437,344.40
  4. Step 4: Simplify right side
    31,485,446.80x = 682,152,473,492,363.75
  5. Step 5: Solve for x
    x = 682,152,473,492,363.75/31,485,446.80
  6. Step 6: Final answer
    x = 21,665,643.74

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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.