Home / 10,085,871.60-15,128,807.40-3,354,285.60

Finding the Fourth Proportional to 10,085,871.60, 15,128,807.40 and 3,354,285.60

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Solution

The fourth proportional to 10,085,871.60, 15,128,807.40 and 3,354,285.60 is: 5,031,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085,871.60 : 15,128,807.40 = 3,354,285.60 : x
  2. Step 2: Convert to fraction form
    10,085,871.60/15,128,807.40 = 3,354,285.60/x
  3. Step 3: Cross multiply
    10,085,871.60x = 15,128,807.40 × 3,354,285.60
  4. Step 4: Simplify right side
    10,085,871.60x = 50,746,340,806,993.45
  5. Step 5: Solve for x
    x = 50,746,340,806,993.45/10,085,871.60
  6. Step 6: Final answer
    x = 5,031,428.40

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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.