Home / 12,969,559.08-17,898,328.98-7,168,432.32

Finding the Fourth Proportional to 12,969,559.08, 17,898,328.98 and 7,168,432.32

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Solution

The fourth proportional to 12,969,559.08, 17,898,328.98 and 7,168,432.32 is: 9,892,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,559.08 : 17,898,328.98 = 7,168,432.32 : x
  2. Step 2: Convert to fraction form
    12,969,559.08/17,898,328.98 = 7,168,432.32/x
  3. Step 3: Cross multiply
    12,969,559.08x = 17,898,328.98 × 7,168,432.32
  4. Step 4: Simplify right side
    12,969,559.08x = 128,302,959,934,224.64
  5. Step 5: Solve for x
    x = 128,302,959,934,224.64/12,969,559.08
  6. Step 6: Final answer
    x = 9,892,623.11

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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.