Home / 14,303,534.40-19,738,333.28-7,777,169.18

Finding the Fourth Proportional to 14,303,534.40, 19,738,333.28 and 7,777,169.18

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Solution

The fourth proportional to 14,303,534.40, 19,738,333.28 and 7,777,169.18 is: 10,732,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303,534.40 : 19,738,333.28 = 7,777,169.18 : x
  2. Step 2: Convert to fraction form
    14,303,534.40/19,738,333.28 = 7,777,169.18/x
  3. Step 3: Cross multiply
    14,303,534.40x = 19,738,333.28 × 7,777,169.18
  4. Step 4: Simplify right side
    14,303,534.40x = 153,508,357,249,784.31
  5. Step 5: Solve for x
    x = 153,508,357,249,784.31/14,303,534.40
  6. Step 6: Final answer
    x = 10,732,197.58

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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.