Home / 10,340,678.40-15,511,017.60-8,746,355.40

Finding the Fourth Proportional to 10,340,678.40, 15,511,017.60 and 8,746,355.40

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Solution

The fourth proportional to 10,340,678.40, 15,511,017.60 and 8,746,355.40 is: 13,119,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340,678.40 : 15,511,017.60 = 8,746,355.40 : x
  2. Step 2: Convert to fraction form
    10,340,678.40/15,511,017.60 = 8,746,355.40/x
  3. Step 3: Cross multiply
    10,340,678.40x = 15,511,017.60 × 8,746,355.40
  4. Step 4: Simplify right side
    10,340,678.40x = 135,664,872,545,255.05
  5. Step 5: Solve for x
    x = 135,664,872,545,255.05/10,340,678.40
  6. Step 6: Final answer
    x = 13,119,533.10

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1.5x scale

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.