Home / 7,154,947-9,872,929.80-4,836,883.34

Finding the Fourth Proportional to 7,154,947, 9,872,929.80 and 4,836,883.34

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Solution

The fourth proportional to 7,154,947, 9,872,929.80 and 4,836,883.34 is: 6,674,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,947 : 9,872,929.80 = 4,836,883.34 : x
  2. Step 2: Convert to fraction form
    7,154,947/9,872,929.80 = 4,836,883.34/x
  3. Step 3: Cross multiply
    7,154,947x = 9,872,929.80 × 4,836,883.34
  4. Step 4: Simplify right side
    7,154,947x = 47,754,209,666,609.53
  5. Step 5: Solve for x
    x = 47,754,209,666,609.53/7,154,947
  6. Step 6: Final answer
    x = 6,674,292.58

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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.