Home / 7,428,210.48-11,143,307.16-2,939,436.72

Finding the Fourth Proportional to 7,428,210.48, 11,143,307.16 and 2,939,436.72

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Solution

The fourth proportional to 7,428,210.48, 11,143,307.16 and 2,939,436.72 is: 4,409,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428,210.48 : 11,143,307.16 = 2,939,436.72 : x
  2. Step 2: Convert to fraction form
    7,428,210.48/11,143,307.16 = 2,939,436.72/x
  3. Step 3: Cross multiply
    7,428,210.48x = 11,143,307.16 × 2,939,436.72
  4. Step 4: Simplify right side
    7,428,210.48x = 32,755,046,248,342.92
  5. Step 5: Solve for x
    x = 32,755,046,248,342.92/7,428,210.48
  6. Step 6: Final answer
    x = 4,409,547.41

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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.