Home / 13,838,421.84-19,097,055.90-7,727,069.04

Finding the Fourth Proportional to 13,838,421.84, 19,097,055.90 and 7,727,069.04

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Solution

The fourth proportional to 13,838,421.84, 19,097,055.90 and 7,727,069.04 is: 10,663,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838,421.84 : 19,097,055.90 = 7,727,069.04 : x
  2. Step 2: Convert to fraction form
    13,838,421.84/19,097,055.90 = 7,727,069.04/x
  3. Step 3: Cross multiply
    13,838,421.84x = 19,097,055.90 × 7,727,069.04
  4. Step 4: Simplify right side
    13,838,421.84x = 147,564,269,400,039.31
  5. Step 5: Solve for x
    x = 147,564,269,400,039.31/13,838,421.84
  6. Step 6: Final answer
    x = 10,663,374.13

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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.