Home / 28,611,200.12-39,484,494.46-16,390,419.08

Finding the Fourth Proportional to 28,611,200.12, 39,484,494.46 and 16,390,419.08

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Solution

The fourth proportional to 28,611,200.12, 39,484,494.46 and 16,390,419.08 is: 22,619,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,200.12 : 39,484,494.46 = 16,390,419.08 : x
  2. Step 2: Convert to fraction form
    28,611,200.12/39,484,494.46 = 16,390,419.08/x
  3. Step 3: Cross multiply
    28,611,200.12x = 39,484,494.46 × 16,390,419.08
  4. Step 4: Simplify right side
    28,611,200.12x = 647,167,411,361,338.38
  5. Step 5: Solve for x
    x = 647,167,411,361,338.38/28,611,200.12
  6. Step 6: Final answer
    x = 22,619,373.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.