Home / 31,408,882.40-47,113,323.60-26,407,359.20

Finding the Fourth Proportional to 31,408,882.40, 47,113,323.60 and 26,407,359.20

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Solution

The fourth proportional to 31,408,882.40, 47,113,323.60 and 26,407,359.20 is: 39,611,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408,882.40 : 47,113,323.60 = 26,407,359.20 : x
  2. Step 2: Convert to fraction form
    31,408,882.40/47,113,323.60 = 26,407,359.20/x
  3. Step 3: Cross multiply
    31,408,882.40x = 47,113,323.60 × 26,407,359.20
  4. Step 4: Simplify right side
    31,408,882.40x = 1,244,138,459,411,037
  5. Step 5: Solve for x
    x = 1,244,138,459,411,037/31,408,882.40
  6. Step 6: Final answer
    x = 39,611,038.80

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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.