Home / 21,985,572.90-32,978,359.35-16,316,868.90

Finding the Fourth Proportional to 21,985,572.90, 32,978,359.35 and 16,316,868.90

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Solution

The fourth proportional to 21,985,572.90, 32,978,359.35 and 16,316,868.90 is: 24,475,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,572.90 : 32,978,359.35 = 16,316,868.90 : x
  2. Step 2: Convert to fraction form
    21,985,572.90/32,978,359.35 = 16,316,868.90/x
  3. Step 3: Cross multiply
    21,985,572.90x = 32,978,359.35 × 16,316,868.90
  4. Step 4: Simplify right side
    21,985,572.90x = 538,103,566,051,039.25
  5. Step 5: Solve for x
    x = 538,103,566,051,039.25/21,985,572.90
  6. Step 6: Final answer
    x = 24,475,303.35

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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.