Home / 13,885,528.17-19,160,570.12-7,690,412.59

Finding the Fourth Proportional to 13,885,528.17, 19,160,570.12 and 7,690,412.59

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Solution

The fourth proportional to 13,885,528.17, 19,160,570.12 and 7,690,412.59 is: 10,611,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,528.17 : 19,160,570.12 = 7,690,412.59 : x
  2. Step 2: Convert to fraction form
    13,885,528.17/19,160,570.12 = 7,690,412.59/x
  3. Step 3: Cross multiply
    13,885,528.17x = 19,160,570.12 × 7,690,412.59
  4. Step 4: Simplify right side
    13,885,528.17x = 147,352,689,714,853.12
  5. Step 5: Solve for x
    x = 147,352,689,714,853.12/13,885,528.17
  6. Step 6: Final answer
    x = 10,611,961.45

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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.