Home / 21,633,656.87-29,854,366.89-12,341,210.41

Finding the Fourth Proportional to 21,633,656.87, 29,854,366.89 and 12,341,210.41

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Solution

The fourth proportional to 21,633,656.87, 29,854,366.89 and 12,341,210.41 is: 17,030,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633,656.87 : 29,854,366.89 = 12,341,210.41 : x
  2. Step 2: Convert to fraction form
    21,633,656.87/29,854,366.89 = 12,341,210.41/x
  3. Step 3: Cross multiply
    21,633,656.87x = 29,854,366.89 × 12,341,210.41
  4. Step 4: Simplify right side
    21,633,656.87x = 368,439,023,446,827.31
  5. Step 5: Solve for x
    x = 368,439,023,446,827.31/21,633,656.87
  6. Step 6: Final answer
    x = 17,030,824.96

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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.