Home / 13,618,085.34-18,792,953.18-7,506,615.90

Finding the Fourth Proportional to 13,618,085.34, 18,792,953.18 and 7,506,615.90

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Solution

The fourth proportional to 13,618,085.34, 18,792,953.18 and 7,506,615.90 is: 10,359,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618,085.34 : 18,792,953.18 = 7,506,615.90 : x
  2. Step 2: Convert to fraction form
    13,618,085.34/18,792,953.18 = 7,506,615.90/x
  3. Step 3: Cross multiply
    13,618,085.34x = 18,792,953.18 × 7,506,615.90
  4. Step 4: Simplify right side
    13,618,085.34x = 141,071,481,148,943.56
  5. Step 5: Solve for x
    x = 141,071,481,148,943.56/13,618,085.34
  6. Step 6: Final answer
    x = 10,359,127.41

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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.