Home / 30,249,209.60-45,391,529.10-11,081,904.20

Finding the Fourth Proportional to 30,249,209.60, 45,391,529.10 and 11,081,904.20

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Solution

The fourth proportional to 30,249,209.60, 45,391,529.10 and 11,081,904.20 is: 16,629,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249,209.60 : 45,391,529.10 = 11,081,904.20 : x
  2. Step 2: Convert to fraction form
    30,249,209.60/45,391,529.10 = 11,081,904.20/x
  3. Step 3: Cross multiply
    30,249,209.60x = 45,391,529.10 × 11,081,904.20
  4. Step 4: Simplify right side
    30,249,209.60x = 503,024,576,977,712.19
  5. Step 5: Solve for x
    x = 503,024,576,977,712.19/30,249,209.60
  6. Step 6: Final answer
    x = 16,629,346.14

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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.