Home / 7,066,940.46-10,605,686.76-5,249,502.18

Finding the Fourth Proportional to 7,066,940.46, 10,605,686.76 and 5,249,502.18

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Solution

The fourth proportional to 7,066,940.46, 10,605,686.76 and 5,249,502.18 is: 7,878,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066,940.46 : 10,605,686.76 = 5,249,502.18 : x
  2. Step 2: Convert to fraction form
    7,066,940.46/10,605,686.76 = 5,249,502.18/x
  3. Step 3: Cross multiply
    7,066,940.46x = 10,605,686.76 × 5,249,502.18
  4. Step 4: Simplify right side
    7,066,940.46x = 55,674,575,767,017.13
  5. Step 5: Solve for x
    x = 55,674,575,767,017.13/7,066,940.46
  6. Step 6: Final answer
    x = 7,878,172.47

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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.