Home / 31,768,374.84-43,838,515.51-17,828,428.30

Finding the Fourth Proportional to 31,768,374.84, 43,838,515.51 and 17,828,428.30

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Solution

The fourth proportional to 31,768,374.84, 43,838,515.51 and 17,828,428.30 is: 24,602,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768,374.84 : 43,838,515.51 = 17,828,428.30 : x
  2. Step 2: Convert to fraction form
    31,768,374.84/43,838,515.51 = 17,828,428.30/x
  3. Step 3: Cross multiply
    31,768,374.84x = 43,838,515.51 × 17,828,428.30
  4. Step 4: Simplify right side
    31,768,374.84x = 781,571,830,511,569.88
  5. Step 5: Solve for x
    x = 781,571,830,511,569.88/31,768,374.84
  6. Step 6: Final answer
    x = 24,602,197.45

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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.