Home / 15,726,597,818.10-21,702,561,228.59-8,590,009,489.35

Finding the Fourth Proportional to 15,726,597,818.10, 21,702,561,228.59 and 8,590,009,489.35

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Solution

The fourth proportional to 15,726,597,818.10, 21,702,561,228.59 and 8,590,009,489.35 is: 11,854,134,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,597,818.10 : 21,702,561,228.59 = 8,590,009,489.35 : x
  2. Step 2: Convert to fraction form
    15,726,597,818.10/21,702,561,228.59 = 8,590,009,489.35/x
  3. Step 3: Cross multiply
    15,726,597,818.10x = 21,702,561,228.59 × 8,590,009,489.35
  4. Step 4: Simplify right side
    15,726,597,818.10x = 186,425,206,896,787,488,768
  5. Step 5: Solve for x
    x = 186,425,206,896,787,488,768/15,726,597,818.10
  6. Step 6: Final answer
    x = 11,854,134,572.08

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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.