Home / 19,980,432.81-27,572,997.03-10,813,075.56

Finding the Fourth Proportional to 19,980,432.81, 27,572,997.03 and 10,813,075.56

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Solution

The fourth proportional to 19,980,432.81, 27,572,997.03 and 10,813,075.56 is: 14,922,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,432.81 : 27,572,997.03 = 10,813,075.56 : x
  2. Step 2: Convert to fraction form
    19,980,432.81/27,572,997.03 = 10,813,075.56/x
  3. Step 3: Cross multiply
    19,980,432.81x = 27,572,997.03 × 10,813,075.56
  4. Step 4: Simplify right side
    19,980,432.81x = 298,148,900,301,045.62
  5. Step 5: Solve for x
    x = 298,148,900,301,045.62/19,980,432.81
  6. Step 6: Final answer
    x = 14,922,044.14

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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.