Home / 21,762,457.60-32,643,686.40-19,373,670.40

Finding the Fourth Proportional to 21,762,457.60, 32,643,686.40 and 19,373,670.40

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Solution

The fourth proportional to 21,762,457.60, 32,643,686.40 and 19,373,670.40 is: 29,060,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,457.60 : 32,643,686.40 = 19,373,670.40 : x
  2. Step 2: Convert to fraction form
    21,762,457.60/32,643,686.40 = 19,373,670.40/x
  3. Step 3: Cross multiply
    21,762,457.60x = 32,643,686.40 × 19,373,670.40
  4. Step 4: Simplify right side
    21,762,457.60x = 632,428,020,954,562.50
  5. Step 5: Solve for x
    x = 632,428,020,954,562.50/21,762,457.60
  6. Step 6: Final answer
    x = 29,060,505.60

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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.