Home / 12,272,298.30-18,413,869.68-6,435,090

Finding the Fourth Proportional to 12,272,298.30, 18,413,869.68 and 6,435,090

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Solution

The fourth proportional to 12,272,298.30, 18,413,869.68 and 6,435,090 is: 9,655,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,298.30 : 18,413,869.68 = 6,435,090 : x
  2. Step 2: Convert to fraction form
    12,272,298.30/18,413,869.68 = 6,435,090/x
  3. Step 3: Cross multiply
    12,272,298.30x = 18,413,869.68 × 6,435,090
  4. Step 4: Simplify right side
    12,272,298.30x = 118,494,908,639,071.20
  5. Step 5: Solve for x
    x = 118,494,908,639,071.20/12,272,298.30
  6. Step 6: Final answer
    x = 9,655,478.20

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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.