Home / 13,223,652.89-18,247,639.50-7,421,314.01

Finding the Fourth Proportional to 13,223,652.89, 18,247,639.50 and 7,421,314.01

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Solution

The fourth proportional to 13,223,652.89, 18,247,639.50 and 7,421,314.01 is: 10,240,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,652.89 : 18,247,639.50 = 7,421,314.01 : x
  2. Step 2: Convert to fraction form
    13,223,652.89/18,247,639.50 = 7,421,314.01/x
  3. Step 3: Cross multiply
    13,223,652.89x = 18,247,639.50 × 7,421,314.01
  4. Step 4: Simplify right side
    13,223,652.89x = 135,421,462,579,541.20
  5. Step 5: Solve for x
    x = 135,421,462,579,541.20/13,223,652.89
  6. Step 6: Final answer
    x = 10,240,851.28

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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.