Home / 13,697,358.36-18,897,095.43-7,817,319.26

Finding the Fourth Proportional to 13,697,358.36, 18,897,095.43 and 7,817,319.26

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Solution

The fourth proportional to 13,697,358.36, 18,897,095.43 and 7,817,319.26 is: 10,784,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,358.36 : 18,897,095.43 = 7,817,319.26 : x
  2. Step 2: Convert to fraction form
    13,697,358.36/18,897,095.43 = 7,817,319.26/x
  3. Step 3: Cross multiply
    13,697,358.36x = 18,897,095.43 × 7,817,319.26
  4. Step 4: Simplify right side
    13,697,358.36x = 147,724,627,968,511.50
  5. Step 5: Solve for x
    x = 147,724,627,968,511.50/13,697,358.36
  6. Step 6: Final answer
    x = 10,784,899.11

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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.