Home / 22,303,864-30,779,862.87-12,515,032.36

Finding the Fourth Proportional to 22,303,864, 30,779,862.87 and 12,515,032.36

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Solution

The fourth proportional to 22,303,864, 30,779,862.87 and 12,515,032.36 is: 17,271,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,303,864 : 30,779,862.87 = 12,515,032.36 : x
  2. Step 2: Convert to fraction form
    22,303,864/30,779,862.87 = 12,515,032.36/x
  3. Step 3: Cross multiply
    22,303,864x = 30,779,862.87 × 12,515,032.36
  4. Step 4: Simplify right side
    22,303,864x = 385,210,979,854,412.44
  5. Step 5: Solve for x
    x = 385,210,979,854,412.44/22,303,864
  6. Step 6: Final answer
    x = 17,271,042.36

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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.