Home / 10,137,457.04-13,989,574.88-5,491,154.48

Finding the Fourth Proportional to 10,137,457.04, 13,989,574.88 and 5,491,154.48

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Solution

The fourth proportional to 10,137,457.04, 13,989,574.88 and 5,491,154.48 is: 7,577,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,457.04 : 13,989,574.88 = 5,491,154.48 : x
  2. Step 2: Convert to fraction form
    10,137,457.04/13,989,574.88 = 5,491,154.48/x
  3. Step 3: Cross multiply
    10,137,457.04x = 13,989,574.88 × 5,491,154.48
  4. Step 4: Simplify right side
    10,137,457.04x = 76,818,916,678,203.81
  5. Step 5: Solve for x
    x = 76,818,916,678,203.81/10,137,457.04
  6. Step 6: Final answer
    x = 7,577,730.43

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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.