Home / 10,390,159.40-14,338,378.50-5,806,479.56

Finding the Fourth Proportional to 10,390,159.40, 14,338,378.50 and 5,806,479.56

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Solution

The fourth proportional to 10,390,159.40, 14,338,378.50 and 5,806,479.56 is: 8,012,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390,159.40 : 14,338,378.50 = 5,806,479.56 : x
  2. Step 2: Convert to fraction form
    10,390,159.40/14,338,378.50 = 5,806,479.56/x
  3. Step 3: Cross multiply
    10,390,159.40x = 14,338,378.50 × 5,806,479.56
  4. Step 4: Simplify right side
    10,390,159.40x = 83,255,501,683,793.45
  5. Step 5: Solve for x
    x = 83,255,501,683,793.45/10,390,159.40
  6. Step 6: Final answer
    x = 8,012,918.62

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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.