Home / 18,884,762.40-28,289,818.80-10,349,824.80

Finding the Fourth Proportional to 18,884,762.40, 28,289,818.80 and 10,349,824.80

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Solution

The fourth proportional to 18,884,762.40, 28,289,818.80 and 10,349,824.80 is: 15,504,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884,762.40 : 28,289,818.80 = 10,349,824.80 : x
  2. Step 2: Convert to fraction form
    18,884,762.40/28,289,818.80 = 10,349,824.80/x
  3. Step 3: Cross multiply
    18,884,762.40x = 28,289,818.80 × 10,349,824.80
  4. Step 4: Simplify right side
    18,884,762.40x = 292,794,668,203,746.25
  5. Step 5: Solve for x
    x = 292,794,668,203,746.25/18,884,762.40
  6. Step 6: Final answer
    x = 15,504,281.28

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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.