Home / 7,213,417.32-9,954,395.28-3,905,684.91

Finding the Fourth Proportional to 7,213,417.32, 9,954,395.28 and 3,905,684.91

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Solution

The fourth proportional to 7,213,417.32, 9,954,395.28 and 3,905,684.91 is: 5,389,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213,417.32 : 9,954,395.28 = 3,905,684.91 : x
  2. Step 2: Convert to fraction form
    7,213,417.32/9,954,395.28 = 3,905,684.91/x
  3. Step 3: Cross multiply
    7,213,417.32x = 9,954,395.28 × 3,905,684.91
  4. Step 4: Simplify right side
    7,213,417.32x = 38,878,731,433,271.23
  5. Step 5: Solve for x
    x = 38,878,731,433,271.23/7,213,417.32
  6. Step 6: Final answer
    x = 5,389,779.87

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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.