Home / 21,046,298.72-31,570,332.59-10,272,661.04

Finding the Fourth Proportional to 21,046,298.72, 31,570,332.59 and 10,272,661.04

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Solution

The fourth proportional to 21,046,298.72, 31,570,332.59 and 10,272,661.04 is: 15,409,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046,298.72 : 31,570,332.59 = 10,272,661.04 : x
  2. Step 2: Convert to fraction form
    21,046,298.72/31,570,332.59 = 10,272,661.04/x
  3. Step 3: Cross multiply
    21,046,298.72x = 31,570,332.59 × 10,272,661.04
  4. Step 4: Simplify right side
    21,046,298.72x = 324,311,325,721,742.81
  5. Step 5: Solve for x
    x = 324,311,325,721,742.81/21,046,298.72
  6. Step 6: Final answer
    x = 15,409,423.30

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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.