Home / 38,089,914.48-52,564,390.89-20,686,384.29

Finding the Fourth Proportional to 38,089,914.48, 52,564,390.89 and 20,686,384.29

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Solution

The fourth proportional to 38,089,914.48, 52,564,390.89 and 20,686,384.29 is: 28,547,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089,914.48 : 52,564,390.89 = 20,686,384.29 : x
  2. Step 2: Convert to fraction form
    38,089,914.48/52,564,390.89 = 20,686,384.29/x
  3. Step 3: Cross multiply
    38,089,914.48x = 52,564,390.89 × 20,686,384.29
  4. Step 4: Simplify right side
    38,089,914.48x = 1,087,367,189,920,315.12
  5. Step 5: Solve for x
    x = 1,087,367,189,920,315.12/38,089,914.48
  6. Step 6: Final answer
    x = 28,547,378.09

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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.