Home / 31,440,167.20-47,048,276.40-21,810,368.80

Finding the Fourth Proportional to 31,440,167.20, 47,048,276.40 and 21,810,368.80

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Solution

The fourth proportional to 31,440,167.20, 47,048,276.40 and 21,810,368.80 is: 32,637,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440,167.20 : 47,048,276.40 = 21,810,368.80 : x
  2. Step 2: Convert to fraction form
    31,440,167.20/47,048,276.40 = 21,810,368.80/x
  3. Step 3: Cross multiply
    31,440,167.20x = 47,048,276.40 × 21,810,368.80
  4. Step 4: Simplify right side
    31,440,167.20x = 1,026,140,259,688,336.38
  5. Step 5: Solve for x
    x = 1,026,140,259,688,336.38/31,440,167.20
  6. Step 6: Final answer
    x = 32,637,875.40

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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.