Home / 19,686,117.70-29,529,176.55-18,835,812.10

Finding the Fourth Proportional to 19,686,117.70, 29,529,176.55 and 18,835,812.10

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Solution

The fourth proportional to 19,686,117.70, 29,529,176.55 and 18,835,812.10 is: 28,253,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,117.70 : 29,529,176.55 = 18,835,812.10 : x
  2. Step 2: Convert to fraction form
    19,686,117.70/29,529,176.55 = 18,835,812.10/x
  3. Step 3: Cross multiply
    19,686,117.70x = 29,529,176.55 × 18,835,812.10
  4. Step 4: Simplify right side
    19,686,117.70x = 556,206,020,963,526.31
  5. Step 5: Solve for x
    x = 556,206,020,963,526.31/19,686,117.70
  6. Step 6: Final answer
    x = 28,253,718.15

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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.