Home / 14,020,380.60-21,036,475.80-7,635,215.40

Finding the Fourth Proportional to 14,020,380.60, 21,036,475.80 and 7,635,215.40

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Solution

The fourth proportional to 14,020,380.60, 21,036,475.80 and 7,635,215.40 is: 11,456,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,380.60 : 21,036,475.80 = 7,635,215.40 : x
  2. Step 2: Convert to fraction form
    14,020,380.60/21,036,475.80 = 7,635,215.40/x
  3. Step 3: Cross multiply
    14,020,380.60x = 21,036,475.80 × 7,635,215.40
  4. Step 4: Simplify right side
    14,020,380.60x = 160,618,023,989,887.34
  5. Step 5: Solve for x
    x = 160,618,023,989,887.34/14,020,380.60
  6. Step 6: Final answer
    x = 11,456,038.79

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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.