Home / 10,516,498.80-15,775,266.60-5,477,650.80

Finding the Fourth Proportional to 10,516,498.80, 15,775,266.60 and 5,477,650.80

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Solution

The fourth proportional to 10,516,498.80, 15,775,266.60 and 5,477,650.80 is: 8,216,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,498.80 : 15,775,266.60 = 5,477,650.80 : x
  2. Step 2: Convert to fraction form
    10,516,498.80/15,775,266.60 = 5,477,650.80/x
  3. Step 3: Cross multiply
    10,516,498.80x = 15,775,266.60 × 5,477,650.80
  4. Step 4: Simplify right side
    10,516,498.80x = 86,411,401,711,703.28
  5. Step 5: Solve for x
    x = 86,411,401,711,703.28/10,516,498.80
  6. Step 6: Final answer
    x = 8,216,746.22

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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.