Home / 25,133,239-34,686,684.90-15,215,588.20

Finding the Fourth Proportional to 25,133,239, 34,686,684.90 and 15,215,588.20

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Solution

The fourth proportional to 25,133,239, 34,686,684.90 and 15,215,588.20 is: 20,999,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133,239 : 34,686,684.90 = 15,215,588.20 : x
  2. Step 2: Convert to fraction form
    25,133,239/34,686,684.90 = 15,215,588.20/x
  3. Step 3: Cross multiply
    25,133,239x = 34,686,684.90 × 15,215,588.20
  4. Step 4: Simplify right side
    25,133,239x = 527,778,313,461,558.12
  5. Step 5: Solve for x
    x = 527,778,313,461,558.12/25,133,239
  6. Step 6: Final answer
    x = 20,999,215.96

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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.