Home / 9,137,939.10-13,706,908.65-7,703,048.40

Finding the Fourth Proportional to 9,137,939.10, 13,706,908.65 and 7,703,048.40

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Solution

The fourth proportional to 9,137,939.10, 13,706,908.65 and 7,703,048.40 is: 11,554,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137,939.10 : 13,706,908.65 = 7,703,048.40 : x
  2. Step 2: Convert to fraction form
    9,137,939.10/13,706,908.65 = 7,703,048.40/x
  3. Step 3: Cross multiply
    9,137,939.10x = 13,706,908.65 × 7,703,048.40
  4. Step 4: Simplify right side
    9,137,939.10x = 105,584,980,745,328.67
  5. Step 5: Solve for x
    x = 105,584,980,745,328.67/9,137,939.10
  6. Step 6: Final answer
    x = 11,554,572.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.