Home / 42,771,623.60-64,157,435.40-14,018,697.20

Finding the Fourth Proportional to 42,771,623.60, 64,157,435.40 and 14,018,697.20

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Solution

The fourth proportional to 42,771,623.60, 64,157,435.40 and 14,018,697.20 is: 21,028,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,771,623.60 : 64,157,435.40 = 14,018,697.20 : x
  2. Step 2: Convert to fraction form
    42,771,623.60/64,157,435.40 = 14,018,697.20/x
  3. Step 3: Cross multiply
    42,771,623.60x = 64,157,435.40 × 14,018,697.20
  4. Step 4: Simplify right side
    42,771,623.60x = 899,403,660,001,160.75
  5. Step 5: Solve for x
    x = 899,403,660,001,160.75/42,771,623.60
  6. Step 6: Final answer
    x = 21,028,045.80

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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.