Home / 28,813,187.06-39,762,317.10-15,582,363.68

Finding the Fourth Proportional to 28,813,187.06, 39,762,317.10 and 15,582,363.68

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Solution

The fourth proportional to 28,813,187.06, 39,762,317.10 and 15,582,363.68 is: 21,503,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813,187.06 : 39,762,317.10 = 15,582,363.68 : x
  2. Step 2: Convert to fraction form
    28,813,187.06/39,762,317.10 = 15,582,363.68/x
  3. Step 3: Cross multiply
    28,813,187.06x = 39,762,317.10 × 15,582,363.68
  4. Step 4: Simplify right side
    28,813,187.06x = 619,590,885,969,522.50
  5. Step 5: Solve for x
    x = 619,590,885,969,522.50/28,813,187.06
  6. Step 6: Final answer
    x = 21,503,726.22

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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.