Home / 15,708,684,348.93-21,677,805,822.20-8,572,219,580.21

Finding the Fourth Proportional to 15,708,684,348.93, 21,677,805,822.20 and 8,572,219,580.21

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Solution

The fourth proportional to 15,708,684,348.93, 21,677,805,822.20 and 8,572,219,580.21 is: 11,829,565,570.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708,684,348.93 : 21,677,805,822.20 = 8,572,219,580.21 : x
  2. Step 2: Convert to fraction form
    15,708,684,348.93/21,677,805,822.20 = 8,572,219,580.21/x
  3. Step 3: Cross multiply
    15,708,684,348.93x = 21,677,805,822.20 × 8,572,219,580.21
  4. Step 4: Simplify right side
    15,708,684,348.93x = 185,826,911,525,053,169,664
  5. Step 5: Solve for x
    x = 185,826,911,525,053,169,664/15,708,684,348.93
  6. Step 6: Final answer
    x = 11,829,565,570.06

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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.