Home / 30,670,143.40-46,005,215.10-11,758,911.40

Finding the Fourth Proportional to 30,670,143.40, 46,005,215.10 and 11,758,911.40

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Solution

The fourth proportional to 30,670,143.40, 46,005,215.10 and 11,758,911.40 is: 17,638,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670,143.40 : 46,005,215.10 = 11,758,911.40 : x
  2. Step 2: Convert to fraction form
    30,670,143.40/46,005,215.10 = 11,758,911.40/x
  3. Step 3: Cross multiply
    30,670,143.40x = 46,005,215.10 × 11,758,911.40
  4. Step 4: Simplify right side
    30,670,143.40x = 540,971,248,298,842.19
  5. Step 5: Solve for x
    x = 540,971,248,298,842.19/30,670,143.40
  6. Step 6: Final answer
    x = 17,638,367.10

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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.