Home / 40,813,378.21-56,322,461.95-22,478,663.71

Finding the Fourth Proportional to 40,813,378.21, 56,322,461.95 and 22,478,663.71

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Solution

The fourth proportional to 40,813,378.21, 56,322,461.95 and 22,478,663.71 is: 31,020,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813,378.21 : 56,322,461.95 = 22,478,663.71 : x
  2. Step 2: Convert to fraction form
    40,813,378.21/56,322,461.95 = 22,478,663.71/x
  3. Step 3: Cross multiply
    40,813,378.21x = 56,322,461.95 × 22,478,663.71
  4. Step 4: Simplify right side
    40,813,378.21x = 1,266,053,681,493,321
  5. Step 5: Solve for x
    x = 1,266,053,681,493,321/40,813,378.21
  6. Step 6: Final answer
    x = 31,020,555.93

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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.