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Finding the Fourth Proportional to 35,490,465.60, 53,235,525.60 and 13,909,819.20

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Solution

The fourth proportional to 35,490,465.60, 53,235,525.60 and 13,909,819.20 is: 20,864,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490,465.60 : 53,235,525.60 = 13,909,819.20 : x
  2. Step 2: Convert to fraction form
    35,490,465.60/53,235,525.60 = 13,909,819.20/x
  3. Step 3: Cross multiply
    35,490,465.60x = 53,235,525.60 × 13,909,819.20
  4. Step 4: Simplify right side
    35,490,465.60x = 740,496,536,112,971.50
  5. Step 5: Solve for x
    x = 740,496,536,112,971.50/35,490,465.60
  6. Step 6: Final answer
    x = 20,864,661.07

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1.5x scale

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.