Home / 35,688,342.17-49,249,740.78-20,218,390.31

Finding the Fourth Proportional to 35,688,342.17, 49,249,740.78 and 20,218,390.31

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Solution

The fourth proportional to 35,688,342.17, 49,249,740.78 and 20,218,390.31 is: 27,901,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,688,342.17 : 49,249,740.78 = 20,218,390.31 : x
  2. Step 2: Convert to fraction form
    35,688,342.17/49,249,740.78 = 20,218,390.31/x
  3. Step 3: Cross multiply
    35,688,342.17x = 49,249,740.78 × 20,218,390.31
  4. Step 4: Simplify right side
    35,688,342.17x = 995,750,481,756,363.75
  5. Step 5: Solve for x
    x = 995,750,481,756,363.75/35,688,342.17
  6. Step 6: Final answer
    x = 27,901,281.52

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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.