Home / 28,460,293.19-39,275,210.75-15,407,659.36

Finding the Fourth Proportional to 28,460,293.19, 39,275,210.75 and 15,407,659.36

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Solution

The fourth proportional to 28,460,293.19, 39,275,210.75 and 15,407,659.36 is: 21,262,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460,293.19 : 39,275,210.75 = 15,407,659.36 : x
  2. Step 2: Convert to fraction form
    28,460,293.19/39,275,210.75 = 15,407,659.36/x
  3. Step 3: Cross multiply
    28,460,293.19x = 39,275,210.75 × 15,407,659.36
  4. Step 4: Simplify right side
    28,460,293.19x = 605,139,068,500,265.75
  5. Step 5: Solve for x
    x = 605,139,068,500,265.75/28,460,293.19
  6. Step 6: Final answer
    x = 21,262,573.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.