Home / 19,623,240.16-29,432,617.76-5,247,428.72

Finding the Fourth Proportional to 19,623,240.16, 29,432,617.76 and 5,247,428.72

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Solution

The fourth proportional to 19,623,240.16, 29,432,617.76 and 5,247,428.72 is: 7,870,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623,240.16 : 29,432,617.76 = 5,247,428.72 : x
  2. Step 2: Convert to fraction form
    19,623,240.16/29,432,617.76 = 5,247,428.72/x
  3. Step 3: Cross multiply
    19,623,240.16x = 29,432,617.76 × 5,247,428.72
  4. Step 4: Simplify right side
    19,623,240.16x = 154,445,563,738,606.06
  5. Step 5: Solve for x
    x = 154,445,563,738,606.06/19,623,240.16
  6. Step 6: Final answer
    x = 7,870,543.42

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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.