Home / 19,407,145.60-29,075,726.40-9,287,459.20

Finding the Fourth Proportional to 19,407,145.60, 29,075,726.40 and 9,287,459.20

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Solution

The fourth proportional to 19,407,145.60, 29,075,726.40 and 9,287,459.20 is: 13,914,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407,145.60 : 29,075,726.40 = 9,287,459.20 : x
  2. Step 2: Convert to fraction form
    19,407,145.60/29,075,726.40 = 9,287,459.20/x
  3. Step 3: Cross multiply
    19,407,145.60x = 29,075,726.40 × 9,287,459.20
  4. Step 4: Simplify right side
    19,407,145.60x = 270,039,622,650,362.84
  5. Step 5: Solve for x
    x = 270,039,622,650,362.84/19,407,145.60
  6. Step 6: Final answer
    x = 13,914,443.07

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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.