Home / 15,745,460.40-23,628,688.20-7,221,409.20

Finding the Fourth Proportional to 15,745,460.40, 23,628,688.20 and 7,221,409.20

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Solution

The fourth proportional to 15,745,460.40, 23,628,688.20 and 7,221,409.20 is: 10,836,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745,460.40 : 23,628,688.20 = 7,221,409.20 : x
  2. Step 2: Convert to fraction form
    15,745,460.40/23,628,688.20 = 7,221,409.20/x
  3. Step 3: Cross multiply
    15,745,460.40x = 23,628,688.20 × 7,221,409.20
  4. Step 4: Simplify right side
    15,745,460.40x = 170,632,426,351,411.44
  5. Step 5: Solve for x
    x = 170,632,426,351,411.44/15,745,460.40
  6. Step 6: Final answer
    x = 10,836,928.36

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1.5x scale

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.