Home / 10,363,141.20-15,544,711.80-10,164,075.60

Finding the Fourth Proportional to 10,363,141.20, 15,544,711.80 and 10,164,075.60

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Solution

The fourth proportional to 10,363,141.20, 15,544,711.80 and 10,164,075.60 is: 15,246,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,141.20 : 15,544,711.80 = 10,164,075.60 : x
  2. Step 2: Convert to fraction form
    10,363,141.20/15,544,711.80 = 10,164,075.60/x
  3. Step 3: Cross multiply
    10,363,141.20x = 15,544,711.80 × 10,164,075.60
  4. Step 4: Simplify right side
    10,363,141.20x = 157,997,625,915,412.09
  5. Step 5: Solve for x
    x = 157,997,625,915,412.09/10,363,141.20
  6. Step 6: Final answer
    x = 15,246,113.40

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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.