Home / 7,280,804.81-10,047,724.17-3,973,312.59

Finding the Fourth Proportional to 7,280,804.81, 10,047,724.17 and 3,973,312.59

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Solution

The fourth proportional to 7,280,804.81, 10,047,724.17 and 3,973,312.59 is: 5,483,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,804.81 : 10,047,724.17 = 3,973,312.59 : x
  2. Step 2: Convert to fraction form
    7,280,804.81/10,047,724.17 = 3,973,312.59/x
  3. Step 3: Cross multiply
    7,280,804.81x = 10,047,724.17 × 3,973,312.59
  4. Step 4: Simplify right side
    7,280,804.81x = 39,922,748,945,508.30
  5. Step 5: Solve for x
    x = 39,922,748,945,508.30/7,280,804.81
  6. Step 6: Final answer
    x = 5,483,287.90

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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.