Home / 17,769,970.40-26,652,190.80-4,989,221.60

Finding the Fourth Proportional to 17,769,970.40, 26,652,190.80 and 4,989,221.60

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Solution

The fourth proportional to 17,769,970.40, 26,652,190.80 and 4,989,221.60 is: 7,483,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769,970.40 : 26,652,190.80 = 4,989,221.60 : x
  2. Step 2: Convert to fraction form
    17,769,970.40/26,652,190.80 = 4,989,221.60/x
  3. Step 3: Cross multiply
    17,769,970.40x = 26,652,190.80 × 4,989,221.60
  4. Step 4: Simplify right side
    17,769,970.40x = 132,973,686,026,681.28
  5. Step 5: Solve for x
    x = 132,973,686,026,681.28/17,769,970.40
  6. Step 6: Final answer
    x = 7,483,056.14

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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.