Home / 30,363,387.90-41,902,521.75-16,612,352.70

Finding the Fourth Proportional to 30,363,387.90, 41,902,521.75 and 16,612,352.70

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Solution

The fourth proportional to 30,363,387.90, 41,902,521.75 and 16,612,352.70 is: 22,925,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363,387.90 : 41,902,521.75 = 16,612,352.70 : x
  2. Step 2: Convert to fraction form
    30,363,387.90/41,902,521.75 = 16,612,352.70/x
  3. Step 3: Cross multiply
    30,363,387.90x = 41,902,521.75 × 16,612,352.70
  4. Step 4: Simplify right side
    30,363,387.90x = 696,099,470,330,421.25
  5. Step 5: Solve for x
    x = 696,099,470,330,421.25/30,363,387.90
  6. Step 6: Final answer
    x = 22,925,619.26

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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.