Home / 19,785,657.30-29,677,501.80-10,202,004.60

Finding the Fourth Proportional to 19,785,657.30, 29,677,501.80 and 10,202,004.60

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Solution

The fourth proportional to 19,785,657.30, 29,677,501.80 and 10,202,004.60 is: 15,302,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785,657.30 : 29,677,501.80 = 10,202,004.60 : x
  2. Step 2: Convert to fraction form
    19,785,657.30/29,677,501.80 = 10,202,004.60/x
  3. Step 3: Cross multiply
    19,785,657.30x = 29,677,501.80 × 10,202,004.60
  4. Step 4: Simplify right side
    19,785,657.30x = 302,770,009,880,108.25
  5. Step 5: Solve for x
    x = 302,770,009,880,108.25/19,785,657.30
  6. Step 6: Final answer
    x = 15,302,499.45

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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.