Home / 22,956,663.96-31,681,629-12,643,384.32

Finding the Fourth Proportional to 22,956,663.96, 31,681,629 and 12,643,384.32

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Solution

The fourth proportional to 22,956,663.96, 31,681,629 and 12,643,384.32 is: 17,448,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,956,663.96 : 31,681,629 = 12,643,384.32 : x
  2. Step 2: Convert to fraction form
    22,956,663.96/31,681,629 = 12,643,384.32/x
  3. Step 3: Cross multiply
    22,956,663.96x = 31,681,629 × 12,643,384.32
  4. Step 4: Simplify right side
    22,956,663.96x = 400,563,011,330,657.31
  5. Step 5: Solve for x
    x = 400,563,011,330,657.31/22,956,663.96
  6. Step 6: Final answer
    x = 17,448,659.44

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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.