Home / 8,428,984.81-12,643,510.02-2,039,226.91

Finding the Fourth Proportional to 8,428,984.81, 12,643,510.02 and 2,039,226.91

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Solution

The fourth proportional to 8,428,984.81, 12,643,510.02 and 2,039,226.91 is: 3,058,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,984.81 : 12,643,510.02 = 2,039,226.91 : x
  2. Step 2: Convert to fraction form
    8,428,984.81/12,643,510.02 = 2,039,226.91/x
  3. Step 3: Cross multiply
    8,428,984.81x = 12,643,510.02 × 2,039,226.91
  4. Step 4: Simplify right side
    8,428,984.81x = 25,782,985,869,638.64
  5. Step 5: Solve for x
    x = 25,782,985,869,638.64/8,428,984.81
  6. Step 6: Final answer
    x = 3,058,848.30

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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.