Home / 7,557,897.60-11,336,932.80-1,878,134.40

Finding the Fourth Proportional to 7,557,897.60, 11,336,932.80 and 1,878,134.40

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Solution

The fourth proportional to 7,557,897.60, 11,336,932.80 and 1,878,134.40 is: 2,817,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557,897.60 : 11,336,932.80 = 1,878,134.40 : x
  2. Step 2: Convert to fraction form
    7,557,897.60/11,336,932.80 = 1,878,134.40/x
  3. Step 3: Cross multiply
    7,557,897.60x = 11,336,932.80 × 1,878,134.40
  4. Step 4: Simplify right side
    7,557,897.60x = 21,292,283,482,168.32
  5. Step 5: Solve for x
    x = 21,292,283,482,168.32/7,557,897.60
  6. Step 6: Final answer
    x = 2,817,223.07

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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.