Home / 21,988,511.20-32,986,703.40-9,210,307.60

Finding the Fourth Proportional to 21,988,511.20, 32,986,703.40 and 9,210,307.60

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Solution

The fourth proportional to 21,988,511.20, 32,986,703.40 and 9,210,307.60 is: 13,817,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988,511.20 : 32,986,703.40 = 9,210,307.60 : x
  2. Step 2: Convert to fraction form
    21,988,511.20/32,986,703.40 = 9,210,307.60/x
  3. Step 3: Cross multiply
    21,988,511.20x = 32,986,703.40 × 9,210,307.60
  4. Step 4: Simplify right side
    21,988,511.20x = 303,817,685,023,965.81
  5. Step 5: Solve for x
    x = 303,817,685,023,965.81/21,988,511.20
  6. Step 6: Final answer
    x = 13,817,110.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.