Home / 14,429,283.54-19,912,430.47-7,813,883.40

Finding the Fourth Proportional to 14,429,283.54, 19,912,430.47 and 7,813,883.40

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Solution

The fourth proportional to 14,429,283.54, 19,912,430.47 and 7,813,883.40 is: 10,783,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429,283.54 : 19,912,430.47 = 7,813,883.40 : x
  2. Step 2: Convert to fraction form
    14,429,283.54/19,912,430.47 = 7,813,883.40/x
  3. Step 3: Cross multiply
    14,429,283.54x = 19,912,430.47 × 7,813,883.40
  4. Step 4: Simplify right side
    14,429,283.54x = 155,593,409,903,187.19
  5. Step 5: Solve for x
    x = 155,593,409,903,187.19/14,429,283.54
  6. Step 6: Final answer
    x = 10,783,169.48

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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.