Home / 19,252,209.40-28,878,314.10-7,900,804.60

Finding the Fourth Proportional to 19,252,209.40, 28,878,314.10 and 7,900,804.60

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Solution

The fourth proportional to 19,252,209.40, 28,878,314.10 and 7,900,804.60 is: 11,851,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252,209.40 : 28,878,314.10 = 7,900,804.60 : x
  2. Step 2: Convert to fraction form
    19,252,209.40/28,878,314.10 = 7,900,804.60/x
  3. Step 3: Cross multiply
    19,252,209.40x = 28,878,314.10 × 7,900,804.60
  4. Step 4: Simplify right side
    19,252,209.40x = 228,161,916,881,524.88
  5. Step 5: Solve for x
    x = 228,161,916,881,524.88/19,252,209.40
  6. Step 6: Final answer
    x = 11,851,206.90

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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.