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Finding the Fourth Proportional to 9,160,200.90, 12,807,485.10 and 9,160,200.90

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Solution

The fourth proportional to 9,160,200.90, 12,807,485.10 and 9,160,200.90 is: 12,807,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160,200.90 : 12,807,485.10 = 9,160,200.90 : x
  2. Step 2: Convert to fraction form
    9,160,200.90/12,807,485.10 = 9,160,200.90/x
  3. Step 3: Cross multiply
    9,160,200.90x = 12,807,485.10 × 9,160,200.90
  4. Step 4: Simplify right side
    9,160,200.90x = 117,319,136,539,756.59
  5. Step 5: Solve for x
    x = 117,319,136,539,756.59/9,160,200.90
  6. Step 6: Final answer
    x = 12,807,485.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.