Home / 15,742,722.40-23,624,581.20-7,218,671.20

Finding the Fourth Proportional to 15,742,722.40, 23,624,581.20 and 7,218,671.20

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Solution

The fourth proportional to 15,742,722.40, 23,624,581.20 and 7,218,671.20 is: 10,832,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742,722.40 : 23,624,581.20 = 7,218,671.20 : x
  2. Step 2: Convert to fraction form
    15,742,722.40/23,624,581.20 = 7,218,671.20/x
  3. Step 3: Cross multiply
    15,742,722.40x = 23,624,581.20 × 7,218,671.20
  4. Step 4: Simplify right side
    15,742,722.40x = 170,538,083,920,501.44
  5. Step 5: Solve for x
    x = 170,538,083,920,501.44/15,742,722.40
  6. Step 6: Final answer
    x = 10,832,820.37

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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.