Home / 12,400,940-17,114,900.88-6,968,432.48

Finding the Fourth Proportional to 12,400,940, 17,114,900.88 and 6,968,432.48

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Solution

The fourth proportional to 12,400,940, 17,114,900.88 and 6,968,432.48 is: 9,617,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,940 : 17,114,900.88 = 6,968,432.48 : x
  2. Step 2: Convert to fraction form
    12,400,940/17,114,900.88 = 6,968,432.48/x
  3. Step 3: Cross multiply
    12,400,940x = 17,114,900.88 × 6,968,432.48
  4. Step 4: Simplify right side
    12,400,940x = 119,264,031,184,172.58
  5. Step 5: Solve for x
    x = 119,264,031,184,172.58/12,400,940
  6. Step 6: Final answer
    x = 9,617,337.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.