Home / 19,586,871.89-27,001,393.90-13,688,192.02

Finding the Fourth Proportional to 19,586,871.89, 27,001,393.90 and 13,688,192.02

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Solution

The fourth proportional to 19,586,871.89, 27,001,393.90 and 13,688,192.02 is: 18,869,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,871.89 : 27,001,393.90 = 13,688,192.02 : x
  2. Step 2: Convert to fraction form
    19,586,871.89/27,001,393.90 = 13,688,192.02/x
  3. Step 3: Cross multiply
    19,586,871.89x = 27,001,393.90 × 13,688,192.02
  4. Step 4: Simplify right side
    19,586,871.89x = 369,600,264,510,856.62
  5. Step 5: Solve for x
    x = 369,600,264,510,856.62/19,586,871.89
  6. Step 6: Final answer
    x = 18,869,795.38

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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.