Home / 20,031,994.83-30,047,061.37-8,355,547.15

Finding the Fourth Proportional to 20,031,994.83, 30,047,061.37 and 8,355,547.15

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Solution

The fourth proportional to 20,031,994.83, 30,047,061.37 and 8,355,547.15 is: 12,532,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031,994.83 : 30,047,061.37 = 8,355,547.15 : x
  2. Step 2: Convert to fraction form
    20,031,994.83/30,047,061.37 = 8,355,547.15/x
  3. Step 3: Cross multiply
    20,031,994.83x = 30,047,061.37 × 8,355,547.15
  4. Step 4: Simplify right side
    20,031,994.83x = 251,059,637,995,978.62
  5. Step 5: Solve for x
    x = 251,059,637,995,978.62/20,031,994.83
  6. Step 6: Final answer
    x = 12,532,932.45

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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.