Home / 13,249,306.59-18,282,836.63-7,666,588.14

Finding the Fourth Proportional to 13,249,306.59, 18,282,836.63 and 7,666,588.14

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Solution

The fourth proportional to 13,249,306.59, 18,282,836.63 and 7,666,588.14 is: 10,579,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,306.59 : 18,282,836.63 = 7,666,588.14 : x
  2. Step 2: Convert to fraction form
    13,249,306.59/18,282,836.63 = 7,666,588.14/x
  3. Step 3: Cross multiply
    13,249,306.59x = 18,282,836.63 × 7,666,588.14
  4. Step 4: Simplify right side
    13,249,306.59x = 140,166,978,423,721.41
  5. Step 5: Solve for x
    x = 140,166,978,423,721.41/13,249,306.59
  6. Step 6: Final answer
    x = 10,579,193.52

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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.