Home / 19,249,949.40-28,874,924.10-12,083,587.80

Finding the Fourth Proportional to 19,249,949.40, 28,874,924.10 and 12,083,587.80

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Solution

The fourth proportional to 19,249,949.40, 28,874,924.10 and 12,083,587.80 is: 18,125,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249,949.40 : 28,874,924.10 = 12,083,587.80 : x
  2. Step 2: Convert to fraction form
    19,249,949.40/28,874,924.10 = 12,083,587.80/x
  3. Step 3: Cross multiply
    19,249,949.40x = 28,874,924.10 × 12,083,587.80
  4. Step 4: Simplify right side
    19,249,949.40x = 348,912,680,580,686
  5. Step 5: Solve for x
    x = 348,912,680,580,686/19,249,949.40
  6. Step 6: Final answer
    x = 18,125,381.70

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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.