Home / 12,686,187.46-17,506,938.68-6,884,969.20

Finding the Fourth Proportional to 12,686,187.46, 17,506,938.68 and 6,884,969.20

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Solution

The fourth proportional to 12,686,187.46, 17,506,938.68 and 6,884,969.20 is: 9,501,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,187.46 : 17,506,938.68 = 6,884,969.20 : x
  2. Step 2: Convert to fraction form
    12,686,187.46/17,506,938.68 = 6,884,969.20/x
  3. Step 3: Cross multiply
    12,686,187.46x = 17,506,938.68 × 6,884,969.20
  4. Step 4: Simplify right side
    12,686,187.46x = 120,534,733,598,088.66
  5. Step 5: Solve for x
    x = 120,534,733,598,088.66/12,686,187.46
  6. Step 6: Final answer
    x = 9,501,257.49

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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.