Home / 12,307,538.60-18,461,307.90-4,219,429.40

Finding the Fourth Proportional to 12,307,538.60, 18,461,307.90 and 4,219,429.40

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Solution

The fourth proportional to 12,307,538.60, 18,461,307.90 and 4,219,429.40 is: 6,329,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,538.60 : 18,461,307.90 = 4,219,429.40 : x
  2. Step 2: Convert to fraction form
    12,307,538.60/18,461,307.90 = 4,219,429.40/x
  3. Step 3: Cross multiply
    12,307,538.60x = 18,461,307.90 × 4,219,429.40
  4. Step 4: Simplify right side
    12,307,538.60x = 77,896,185,315,712.27
  5. Step 5: Solve for x
    x = 77,896,185,315,712.27/12,307,538.60
  6. Step 6: Final answer
    x = 6,329,144.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.