Home / 28,394,319.61-42,574,420.81-11,101,918.78

Finding the Fourth Proportional to 28,394,319.61, 42,574,420.81 and 11,101,918.78

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Solution

The fourth proportional to 28,394,319.61, 42,574,420.81 and 11,101,918.78 is: 16,646,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394,319.61 : 42,574,420.81 = 11,101,918.78 : x
  2. Step 2: Convert to fraction form
    28,394,319.61/42,574,420.81 = 11,101,918.78/x
  3. Step 3: Cross multiply
    28,394,319.61x = 42,574,420.81 × 11,101,918.78
  4. Step 4: Simplify right side
    28,394,319.61x = 472,657,761,938,161.81
  5. Step 5: Solve for x
    x = 472,657,761,938,161.81/28,394,319.61
  6. Step 6: Final answer
    x = 16,646,208.41

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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.