Home / 15,708,684,347.18-21,677,805,819.79-8,572,219,578.46

Finding the Fourth Proportional to 15,708,684,347.18, 21,677,805,819.79 and 8,572,219,578.46

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Solution

The fourth proportional to 15,708,684,347.18, 21,677,805,819.79 and 8,572,219,578.46 is: 11,829,565,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708,684,347.18 : 21,677,805,819.79 = 8,572,219,578.46 : x
  2. Step 2: Convert to fraction form
    15,708,684,347.18/21,677,805,819.79 = 8,572,219,578.46/x
  3. Step 3: Cross multiply
    15,708,684,347.18x = 21,677,805,819.79 × 8,572,219,578.46
  4. Step 4: Simplify right side
    15,708,684,347.18x = 185,826,911,466,378,067,968
  5. Step 5: Solve for x
    x = 185,826,911,466,378,067,968/15,708,684,347.18
  6. Step 6: Final answer
    x = 11,829,565,567.65

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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.