Home / 7,398,621.69-10,210,312.97-4,045,985.12

Finding the Fourth Proportional to 7,398,621.69, 10,210,312.97 and 4,045,985.12

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Solution

The fourth proportional to 7,398,621.69, 10,210,312.97 and 4,045,985.12 is: 5,583,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398,621.69 : 10,210,312.97 = 4,045,985.12 : x
  2. Step 2: Convert to fraction form
    7,398,621.69/10,210,312.97 = 4,045,985.12/x
  3. Step 3: Cross multiply
    7,398,621.69x = 10,210,312.97 × 4,045,985.12
  4. Step 4: Simplify right side
    7,398,621.69x = 41,310,774,275,881.52
  5. Step 5: Solve for x
    x = 41,310,774,275,881.52/7,398,621.69
  6. Step 6: Final answer
    x = 5,583,577.05

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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.