Home / 13,257,421.04-18,303,646.52-9,078,099.60

Finding the Fourth Proportional to 13,257,421.04, 18,303,646.52 and 9,078,099.60

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Solution

The fourth proportional to 13,257,421.04, 18,303,646.52 and 9,078,099.60 is: 12,533,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,421.04 : 18,303,646.52 = 9,078,099.60 : x
  2. Step 2: Convert to fraction form
    13,257,421.04/18,303,646.52 = 9,078,099.60/x
  3. Step 3: Cross multiply
    13,257,421.04x = 18,303,646.52 × 9,078,099.60
  4. Step 4: Simplify right side
    13,257,421.04x = 166,162,326,151,753.38
  5. Step 5: Solve for x
    x = 166,162,326,151,753.38/13,257,421.04
  6. Step 6: Final answer
    x = 12,533,533.15

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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.