Home / 38,089,919.39-52,564,397.60-20,686,389.20

Finding the Fourth Proportional to 38,089,919.39, 52,564,397.60 and 20,686,389.20

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Solution

The fourth proportional to 38,089,919.39, 52,564,397.60 and 20,686,389.20 is: 28,547,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089,919.39 : 52,564,397.60 = 20,686,389.20 : x
  2. Step 2: Convert to fraction form
    38,089,919.39/52,564,397.60 = 20,686,389.20/x
  3. Step 3: Cross multiply
    38,089,919.39x = 52,564,397.60 × 20,686,389.20
  4. Step 4: Simplify right side
    38,089,919.39x = 1,087,367,586,606,039.88
  5. Step 5: Solve for x
    x = 1,087,367,586,606,039.88/38,089,919.39
  6. Step 6: Final answer
    x = 28,547,384.82

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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.