Home / 13,490,296.84-18,622,689.28-8,602,089.40

Finding the Fourth Proportional to 13,490,296.84, 18,622,689.28 and 8,602,089.40

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Solution

The fourth proportional to 13,490,296.84, 18,622,689.28 and 8,602,089.40 is: 11,874,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490,296.84 : 18,622,689.28 = 8,602,089.40 : x
  2. Step 2: Convert to fraction form
    13,490,296.84/18,622,689.28 = 8,602,089.40/x
  3. Step 3: Cross multiply
    13,490,296.84x = 18,622,689.28 × 8,602,089.40
  4. Step 4: Simplify right side
    13,490,296.84x = 160,194,038,054,981.66
  5. Step 5: Solve for x
    x = 160,194,038,054,981.66/13,490,296.84
  6. Step 6: Final answer
    x = 11,874,760.06

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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.