Home / 14,283,040.71-19,716,628.20-9,643,111.50

Finding the Fourth Proportional to 14,283,040.71, 19,716,628.20 and 9,643,111.50

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Solution

The fourth proportional to 14,283,040.71, 19,716,628.20 and 9,643,111.50 is: 13,311,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283,040.71 : 19,716,628.20 = 9,643,111.50 : x
  2. Step 2: Convert to fraction form
    14,283,040.71/19,716,628.20 = 9,643,111.50/x
  3. Step 3: Cross multiply
    14,283,040.71x = 19,716,628.20 × 9,643,111.50
  4. Step 4: Simplify right side
    14,283,040.71x = 190,129,644,136,644.28
  5. Step 5: Solve for x
    x = 190,129,644,136,644.28/14,283,040.71
  6. Step 6: Final answer
    x = 13,311,566.35

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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.