Home / 12,547,206.80-18,778,819.80-8,768,070.80

Finding the Fourth Proportional to 12,547,206.80, 18,778,819.80 and 8,768,070.80

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Solution

The fourth proportional to 12,547,206.80, 18,778,819.80 and 8,768,070.80 is: 13,122,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,206.80 : 18,778,819.80 = 8,768,070.80 : x
  2. Step 2: Convert to fraction form
    12,547,206.80/18,778,819.80 = 8,768,070.80/x
  3. Step 3: Cross multiply
    12,547,206.80x = 18,778,819.80 × 8,768,070.80
  4. Step 4: Simplify right side
    12,547,206.80x = 164,654,021,546,841.88
  5. Step 5: Solve for x
    x = 164,654,021,546,841.88/12,547,206.80
  6. Step 6: Final answer
    x = 13,122,763.03

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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.