Home / 26,752,187.40-40,128,281.10-19,249,902.60

Finding the Fourth Proportional to 26,752,187.40, 40,128,281.10 and 19,249,902.60

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Solution

The fourth proportional to 26,752,187.40, 40,128,281.10 and 19,249,902.60 is: 28,874,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,752,187.40 : 40,128,281.10 = 19,249,902.60 : x
  2. Step 2: Convert to fraction form
    26,752,187.40/40,128,281.10 = 19,249,902.60/x
  3. Step 3: Cross multiply
    26,752,187.40x = 40,128,281.10 × 19,249,902.60
  4. Step 4: Simplify right side
    26,752,187.40x = 772,465,502,680,421
  5. Step 5: Solve for x
    x = 772,465,502,680,421/26,752,187.40
  6. Step 6: Final answer
    x = 28,874,853.90

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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.