Home / 6,421,005.80-9,574,916.53-6,363,446.12

Finding the Fourth Proportional to 6,421,005.80, 9,574,916.53 and 6,363,446.12

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Solution

The fourth proportional to 6,421,005.80, 9,574,916.53 and 6,363,446.12 is: 9,489,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,005.80 : 9,574,916.53 = 6,363,446.12 : x
  2. Step 2: Convert to fraction form
    6,421,005.80/9,574,916.53 = 6,363,446.12/x
  3. Step 3: Cross multiply
    6,421,005.80x = 9,574,916.53 × 6,363,446.12
  4. Step 4: Simplify right side
    6,421,005.80x = 60,929,465,442,152.36
  5. Step 5: Solve for x
    x = 60,929,465,442,152.36/6,421,005.80
  6. Step 6: Final answer
    x = 9,489,084.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.