Home / 28,889,588-39,867,637.20-16,012,532

Finding the Fourth Proportional to 28,889,588, 39,867,637.20 and 16,012,532

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Solution

The fourth proportional to 28,889,588, 39,867,637.20 and 16,012,532 is: 22,097,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,588 : 39,867,637.20 = 16,012,532 : x
  2. Step 2: Convert to fraction form
    28,889,588/39,867,637.20 = 16,012,532/x
  3. Step 3: Cross multiply
    28,889,588x = 39,867,637.20 × 16,012,532
  4. Step 4: Simplify right side
    28,889,588x = 638,381,816,429,390.50
  5. Step 5: Solve for x
    x = 638,381,816,429,390.50/28,889,588
  6. Step 6: Final answer
    x = 22,097,297.35

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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.