Home / 28,798,582.46-39,742,047.16-15,745,850.21

Finding the Fourth Proportional to 28,798,582.46, 39,742,047.16 and 15,745,850.21

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Solution

The fourth proportional to 28,798,582.46, 39,742,047.16 and 15,745,850.21 is: 21,729,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798,582.46 : 39,742,047.16 = 15,745,850.21 : x
  2. Step 2: Convert to fraction form
    28,798,582.46/39,742,047.16 = 15,745,850.21/x
  3. Step 3: Cross multiply
    28,798,582.46x = 39,742,047.16 × 15,745,850.21
  4. Step 4: Simplify right side
    28,798,582.46x = 625,772,321,680,106.38
  5. Step 5: Solve for x
    x = 625,772,321,680,106.38/28,798,582.46
  6. Step 6: Final answer
    x = 21,729,275.14

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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.