Home / 12,686,666.74-17,507,726.13-6,885,500.02

Finding the Fourth Proportional to 12,686,666.74, 17,507,726.13 and 6,885,500.02

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Solution

The fourth proportional to 12,686,666.74, 17,507,726.13 and 6,885,500.02 is: 9,502,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,666.74 : 17,507,726.13 = 6,885,500.02 : x
  2. Step 2: Convert to fraction form
    12,686,666.74/17,507,726.13 = 6,885,500.02/x
  3. Step 3: Cross multiply
    12,686,666.74x = 17,507,726.13 × 6,885,500.02
  4. Step 4: Simplify right side
    12,686,666.74x = 120,549,448,618,269.50
  5. Step 5: Solve for x
    x = 120,549,448,618,269.50/12,686,666.74
  6. Step 6: Final answer
    x = 9,502,058.43

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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.