Home / 22,571,774.81-31,151,708.37-13,404,417.56

Finding the Fourth Proportional to 22,571,774.81, 31,151,708.37 and 13,404,417.56

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Solution

The fourth proportional to 22,571,774.81, 31,151,708.37 and 13,404,417.56 is: 18,499,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571,774.81 : 31,151,708.37 = 13,404,417.56 : x
  2. Step 2: Convert to fraction form
    22,571,774.81/31,151,708.37 = 13,404,417.56/x
  3. Step 3: Cross multiply
    22,571,774.81x = 31,151,708.37 × 13,404,417.56
  4. Step 4: Simplify right side
    22,571,774.81x = 417,570,506,543,068.44
  5. Step 5: Solve for x
    x = 417,570,506,543,068.44/22,571,774.81
  6. Step 6: Final answer
    x = 18,499,675.38

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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.