Home / 10,097,178.40-15,145,767.60-8,502,855.40

Finding the Fourth Proportional to 10,097,178.40, 15,145,767.60 and 8,502,855.40

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Solution

The fourth proportional to 10,097,178.40, 15,145,767.60 and 8,502,855.40 is: 12,754,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097,178.40 : 15,145,767.60 = 8,502,855.40 : x
  2. Step 2: Convert to fraction form
    10,097,178.40/15,145,767.60 = 8,502,855.40/x
  3. Step 3: Cross multiply
    10,097,178.40x = 15,145,767.60 × 8,502,855.40
  4. Step 4: Simplify right side
    10,097,178.40x = 128,782,271,824,805.05
  5. Step 5: Solve for x
    x = 128,782,271,824,805.05/10,097,178.40
  6. Step 6: Final answer
    x = 12,754,283.10

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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.