Home / 8,564,686.90-11,820,015.42-4,697,955.39

Finding the Fourth Proportional to 8,564,686.90, 11,820,015.42 and 4,697,955.39

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Solution

The fourth proportional to 8,564,686.90, 11,820,015.42 and 4,697,955.39 is: 6,483,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564,686.90 : 11,820,015.42 = 4,697,955.39 : x
  2. Step 2: Convert to fraction form
    8,564,686.90/11,820,015.42 = 4,697,955.39/x
  3. Step 3: Cross multiply
    8,564,686.90x = 11,820,015.42 × 4,697,955.39
  4. Step 4: Simplify right side
    8,564,686.90x = 55,529,905,178,979.84
  5. Step 5: Solve for x
    x = 55,529,905,178,979.84/8,564,686.90
  6. Step 6: Final answer
    x = 6,483,588.47

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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.