Home / 16,386,512-22,621,039.30-9,509,665.46

Finding the Fourth Proportional to 16,386,512, 22,621,039.30 and 9,509,665.46

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Solution

The fourth proportional to 16,386,512, 22,621,039.30 and 9,509,665.46 is: 13,127,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386,512 : 22,621,039.30 = 9,509,665.46 : x
  2. Step 2: Convert to fraction form
    16,386,512/22,621,039.30 = 9,509,665.46/x
  3. Step 3: Cross multiply
    16,386,512x = 22,621,039.30 × 9,509,665.46
  4. Step 4: Simplify right side
    16,386,512x = 215,118,516,100,512.59
  5. Step 5: Solve for x
    x = 215,118,516,100,512.59/16,386,512
  6. Step 6: Final answer
    x = 13,127,779.49

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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.