Home / 21,438,044.40-32,157,066.60-18,355,686.60

Finding the Fourth Proportional to 21,438,044.40, 32,157,066.60 and 18,355,686.60

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Solution

The fourth proportional to 21,438,044.40, 32,157,066.60 and 18,355,686.60 is: 27,533,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,438,044.40 : 32,157,066.60 = 18,355,686.60 : x
  2. Step 2: Convert to fraction form
    21,438,044.40/32,157,066.60 = 18,355,686.60/x
  3. Step 3: Cross multiply
    21,438,044.40x = 32,157,066.60 × 18,355,686.60
  4. Step 4: Simplify right side
    21,438,044.40x = 590,265,036,484,927.62
  5. Step 5: Solve for x
    x = 590,265,036,484,927.62/21,438,044.40
  6. Step 6: Final answer
    x = 27,533,529.90

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1.5x scale

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.