Home / 10,558,643.40-15,822,218.70-8,952,510.60

Finding the Fourth Proportional to 10,558,643.40, 15,822,218.70 and 8,952,510.60

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Solution

The fourth proportional to 10,558,643.40, 15,822,218.70 and 8,952,510.60 is: 13,415,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558,643.40 : 15,822,218.70 = 8,952,510.60 : x
  2. Step 2: Convert to fraction form
    10,558,643.40/15,822,218.70 = 8,952,510.60/x
  3. Step 3: Cross multiply
    10,558,643.40x = 15,822,218.70 × 8,952,510.60
  4. Step 4: Simplify right side
    10,558,643.40x = 141,648,580,627,268.22
  5. Step 5: Solve for x
    x = 141,648,580,627,268.22/10,558,643.40
  6. Step 6: Final answer
    x = 13,415,414.77

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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.