Home / 18,509,214.95-25,542,539.10-10,665,845.63

Finding the Fourth Proportional to 18,509,214.95, 25,542,539.10 and 10,665,845.63

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Solution

The fourth proportional to 18,509,214.95, 25,542,539.10 and 10,665,845.63 is: 14,718,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,214.95 : 25,542,539.10 = 10,665,845.63 : x
  2. Step 2: Convert to fraction form
    18,509,214.95/25,542,539.10 = 10,665,845.63/x
  3. Step 3: Cross multiply
    18,509,214.95x = 25,542,539.10 × 10,665,845.63
  4. Step 4: Simplify right side
    18,509,214.95x = 272,432,779,038,839.16
  5. Step 5: Solve for x
    x = 272,432,779,038,839.16/18,509,214.95
  6. Step 6: Final answer
    x = 14,718,764.67

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1.5x scale

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.