Home / 7,066,928.40-10,605,668.76-5,249,490.12

Finding the Fourth Proportional to 7,066,928.40, 10,605,668.76 and 5,249,490.12

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Solution

The fourth proportional to 7,066,928.40, 10,605,668.76 and 5,249,490.12 is: 7,878,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066,928.40 : 10,605,668.76 = 5,249,490.12 : x
  2. Step 2: Convert to fraction form
    7,066,928.40/10,605,668.76 = 5,249,490.12/x
  3. Step 3: Cross multiply
    7,066,928.40x = 10,605,668.76 × 5,249,490.12
  4. Step 4: Simplify right side
    7,066,928.40x = 55,674,353,371,612.65
  5. Step 5: Solve for x
    x = 55,674,353,371,612.65/7,066,928.40
  6. Step 6: Final answer
    x = 7,878,154.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.