Home / 28,611,235.67-39,484,543.50-16,390,454.63

Finding the Fourth Proportional to 28,611,235.67, 39,484,543.50 and 16,390,454.63

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Solution

The fourth proportional to 28,611,235.67, 39,484,543.50 and 16,390,454.63 is: 22,619,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,235.67 : 39,484,543.50 = 16,390,454.63 : x
  2. Step 2: Convert to fraction form
    28,611,235.67/39,484,543.50 = 16,390,454.63/x
  3. Step 3: Cross multiply
    28,611,235.67x = 39,484,543.50 × 16,390,454.63
  4. Step 4: Simplify right side
    28,611,235.67x = 647,169,618,625,588.75
  5. Step 5: Solve for x
    x = 647,169,618,625,588.75/28,611,235.67
  6. Step 6: Final answer
    x = 22,619,422.18

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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.