Home / 9,756,430.65-13,463,699.45-5,405,429.43

Finding the Fourth Proportional to 9,756,430.65, 13,463,699.45 and 5,405,429.43

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Solution

The fourth proportional to 9,756,430.65, 13,463,699.45 and 5,405,429.43 is: 7,459,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756,430.65 : 13,463,699.45 = 5,405,429.43 : x
  2. Step 2: Convert to fraction form
    9,756,430.65/13,463,699.45 = 5,405,429.43/x
  3. Step 3: Cross multiply
    9,756,430.65x = 13,463,699.45 × 5,405,429.43
  4. Step 4: Simplify right side
    9,756,430.65x = 72,777,077,216,677.66
  5. Step 5: Solve for x
    x = 72,777,077,216,677.66/9,756,430.65
  6. Step 6: Final answer
    x = 7,459,395.74

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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.