Home / 19,677,390.10-29,516,085.15-18,880,228.60

Finding the Fourth Proportional to 19,677,390.10, 29,516,085.15 and 18,880,228.60

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Solution

The fourth proportional to 19,677,390.10, 29,516,085.15 and 18,880,228.60 is: 28,320,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677,390.10 : 29,516,085.15 = 18,880,228.60 : x
  2. Step 2: Convert to fraction form
    19,677,390.10/29,516,085.15 = 18,880,228.60/x
  3. Step 3: Cross multiply
    19,677,390.10x = 29,516,085.15 × 18,880,228.60
  4. Step 4: Simplify right side
    19,677,390.10x = 557,270,435,009,065.31
  5. Step 5: Solve for x
    x = 557,270,435,009,065.31/19,677,390.10
  6. Step 6: Final answer
    x = 28,320,342.90

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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.