Home / 12,739,941,387.40-17,588,660,723.88-11,326,340,878.08

Finding the Fourth Proportional to 12,739,941,387.40, 17,588,660,723.88 and 11,326,340,878.08

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Solution

The fourth proportional to 12,739,941,387.40, 17,588,660,723.88 and 11,326,340,878.08 is: 15,637,055,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739,941,387.40 : 17,588,660,723.88 = 11,326,340,878.08 : x
  2. Step 2: Convert to fraction form
    12,739,941,387.40/17,588,660,723.88 = 11,326,340,878.08/x
  3. Step 3: Cross multiply
    12,739,941,387.40x = 17,588,660,723.88 × 11,326,340,878.08
  4. Step 4: Simplify right side
    12,739,941,387.40x = 199,215,166,947,562,225,664
  5. Step 5: Solve for x
    x = 199,215,166,947,562,225,664/12,739,941,387.40
  6. Step 6: Final answer
    x = 15,637,055,217.90

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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.