Home / 9,702,779.61-13,389,601.26-5,351,772.50

Finding the Fourth Proportional to 9,702,779.61, 13,389,601.26 and 5,351,772.50

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Solution

The fourth proportional to 9,702,779.61, 13,389,601.26 and 5,351,772.50 is: 7,385,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702,779.61 : 13,389,601.26 = 5,351,772.50 : x
  2. Step 2: Convert to fraction form
    9,702,779.61/13,389,601.26 = 5,351,772.50/x
  3. Step 3: Cross multiply
    9,702,779.61x = 13,389,601.26 × 5,351,772.50
  4. Step 4: Simplify right side
    9,702,779.61x = 71,658,099,742,285.34
  5. Step 5: Solve for x
    x = 71,658,099,742,285.34/9,702,779.61
  6. Step 6: Final answer
    x = 7,385,316.64

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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.