Home / 20,385,568.47-30,578,415.58-5,032,859.91

Finding the Fourth Proportional to 20,385,568.47, 30,578,415.58 and 5,032,859.91

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Solution

The fourth proportional to 20,385,568.47, 30,578,415.58 and 5,032,859.91 is: 7,549,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385,568.47 : 30,578,415.58 = 5,032,859.91 : x
  2. Step 2: Convert to fraction form
    20,385,568.47/30,578,415.58 = 5,032,859.91/x
  3. Step 3: Cross multiply
    20,385,568.47x = 30,578,415.58 × 5,032,859.91
  4. Step 4: Simplify right side
    20,385,568.47x = 153,896,881,883,901.41
  5. Step 5: Solve for x
    x = 153,896,881,883,901.41/20,385,568.47
  6. Step 6: Final answer
    x = 7,549,305.39

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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.