Home / 7,298,070.72-10,071,312.48-4,078,806.72

Finding the Fourth Proportional to 7,298,070.72, 10,071,312.48 and 4,078,806.72

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Solution

The fourth proportional to 7,298,070.72, 10,071,312.48 and 4,078,806.72 is: 5,628,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298,070.72 : 10,071,312.48 = 4,078,806.72 : x
  2. Step 2: Convert to fraction form
    7,298,070.72/10,071,312.48 = 4,078,806.72/x
  3. Step 3: Cross multiply
    7,298,070.72x = 10,071,312.48 × 4,078,806.72
  4. Step 4: Simplify right side
    7,298,070.72x = 41,078,937,022,643.87
  5. Step 5: Solve for x
    x = 41,078,937,022,643.87/7,298,070.72
  6. Step 6: Final answer
    x = 5,628,739.24

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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.