Home / 10,411,663.78-15,618,948.83-4,345,004.89

Finding the Fourth Proportional to 10,411,663.78, 15,618,948.83 and 4,345,004.89

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Solution

The fourth proportional to 10,411,663.78, 15,618,948.83 and 4,345,004.89 is: 6,518,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411,663.78 : 15,618,948.83 = 4,345,004.89 : x
  2. Step 2: Convert to fraction form
    10,411,663.78/15,618,948.83 = 4,345,004.89/x
  3. Step 3: Cross multiply
    10,411,663.78x = 15,618,948.83 × 4,345,004.89
  4. Step 4: Simplify right side
    10,411,663.78x = 67,864,409,014,824.92
  5. Step 5: Solve for x
    x = 67,864,409,014,824.92/10,411,663.78
  6. Step 6: Final answer
    x = 6,518,113.77

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1.5x scale

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.