Home / 35,429,618.60-53,144,427.90-12,712,812.20

Finding the Fourth Proportional to 35,429,618.60, 53,144,427.90 and 12,712,812.20

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Solution

The fourth proportional to 35,429,618.60, 53,144,427.90 and 12,712,812.20 is: 19,069,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,429,618.60 : 53,144,427.90 = 12,712,812.20 : x
  2. Step 2: Convert to fraction form
    35,429,618.60/53,144,427.90 = 12,712,812.20/x
  3. Step 3: Cross multiply
    35,429,618.60x = 53,144,427.90 × 12,712,812.20
  4. Step 4: Simplify right side
    35,429,618.60x = 675,615,131,369,140.38
  5. Step 5: Solve for x
    x = 675,615,131,369,140.38/35,429,618.60
  6. Step 6: Final answer
    x = 19,069,218.30

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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.