Home / 22,956,357.40-31,681,205.42-12,643,077.88

Finding the Fourth Proportional to 22,956,357.40, 31,681,205.42 and 12,643,077.88

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Solution

The fourth proportional to 22,956,357.40, 31,681,205.42 and 12,643,077.88 is: 17,448,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,956,357.40 : 31,681,205.42 = 12,643,077.88 : x
  2. Step 2: Convert to fraction form
    22,956,357.40/31,681,205.42 = 12,643,077.88/x
  3. Step 3: Cross multiply
    22,956,357.40x = 31,681,205.42 × 12,643,077.88
  4. Step 4: Simplify right side
    22,956,357.40x = 400,547,947,457,338.19
  5. Step 5: Solve for x
    x = 400,547,947,457,338.19/22,956,357.40
  6. Step 6: Final answer
    x = 17,448,236.25

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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.