Home / 7,759,638.55-10,707,496.54-4,778,870.14

Finding the Fourth Proportional to 7,759,638.55, 10,707,496.54 and 4,778,870.14

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Solution

The fourth proportional to 7,759,638.55, 10,707,496.54 and 4,778,870.14 is: 6,594,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759,638.55 : 10,707,496.54 = 4,778,870.14 : x
  2. Step 2: Convert to fraction form
    7,759,638.55/10,707,496.54 = 4,778,870.14/x
  3. Step 3: Cross multiply
    7,759,638.55x = 10,707,496.54 × 4,778,870.14
  4. Step 4: Simplify right side
    7,759,638.55x = 51,169,735,489,159.30
  5. Step 5: Solve for x
    x = 51,169,735,489,159.30/7,759,638.55
  6. Step 6: Final answer
    x = 6,594,345.23

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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.