Home / 13,902,384.04-19,186,426.91-7,709,373.36

Finding the Fourth Proportional to 13,902,384.04, 19,186,426.91 and 7,709,373.36

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Solution

The fourth proportional to 13,902,384.04, 19,186,426.91 and 7,709,373.36 is: 10,639,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,384.04 : 19,186,426.91 = 7,709,373.36 : x
  2. Step 2: Convert to fraction form
    13,902,384.04/19,186,426.91 = 7,709,373.36/x
  3. Step 3: Cross multiply
    13,902,384.04x = 19,186,426.91 × 7,709,373.36
  4. Step 4: Simplify right side
    13,902,384.04x = 147,915,328,493,541.12
  5. Step 5: Solve for x
    x = 147,915,328,493,541.12/13,902,384.04
  6. Step 6: Final answer
    x = 10,639,565.71

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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.