Home / 10,685,632.40-16,038,946.20-5,300,363.60

Finding the Fourth Proportional to 10,685,632.40, 16,038,946.20 and 5,300,363.60

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Solution

The fourth proportional to 10,685,632.40, 16,038,946.20 and 5,300,363.60 is: 7,955,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685,632.40 : 16,038,946.20 = 5,300,363.60 : x
  2. Step 2: Convert to fraction form
    10,685,632.40/16,038,946.20 = 5,300,363.60/x
  3. Step 3: Cross multiply
    10,685,632.40x = 16,038,946.20 × 5,300,363.60
  4. Step 4: Simplify right side
    10,685,632.40x = 85,012,246,620,838.31
  5. Step 5: Solve for x
    x = 85,012,246,620,838.31/10,685,632.40
  6. Step 6: Final answer
    x = 7,955,752.49

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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.