Home / 13,300,722.56-18,355,201.08-7,792,779.62

Finding the Fourth Proportional to 13,300,722.56, 18,355,201.08 and 7,792,779.62

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Solution

The fourth proportional to 13,300,722.56, 18,355,201.08 and 7,792,779.62 is: 10,754,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300,722.56 : 18,355,201.08 = 7,792,779.62 : x
  2. Step 2: Convert to fraction form
    13,300,722.56/18,355,201.08 = 7,792,779.62/x
  3. Step 3: Cross multiply
    13,300,722.56x = 18,355,201.08 × 7,792,779.62
  4. Step 4: Simplify right side
    13,300,722.56x = 143,038,036,897,225.97
  5. Step 5: Solve for x
    x = 143,038,036,897,225.97/13,300,722.56
  6. Step 6: Final answer
    x = 10,754,155.37

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1.5x scale

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.