Home / 21,402,455.60-32,103,683.40-13,749,705.20

Finding the Fourth Proportional to 21,402,455.60, 32,103,683.40 and 13,749,705.20

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Solution

The fourth proportional to 21,402,455.60, 32,103,683.40 and 13,749,705.20 is: 20,624,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402,455.60 : 32,103,683.40 = 13,749,705.20 : x
  2. Step 2: Convert to fraction form
    21,402,455.60/32,103,683.40 = 13,749,705.20/x
  3. Step 3: Cross multiply
    21,402,455.60x = 32,103,683.40 × 13,749,705.20
  4. Step 4: Simplify right side
    21,402,455.60x = 441,416,182,584,133.62
  5. Step 5: Solve for x
    x = 441,416,182,584,133.62/21,402,455.60
  6. Step 6: Final answer
    x = 20,624,557.80

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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.