Home / 16,128,501.60-24,242,518.80-15,829,903.20

Finding the Fourth Proportional to 16,128,501.60, 24,242,518.80 and 15,829,903.20

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Solution

The fourth proportional to 16,128,501.60, 24,242,518.80 and 15,829,903.20 is: 23,793,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,501.60 : 24,242,518.80 = 15,829,903.20 : x
  2. Step 2: Convert to fraction form
    16,128,501.60/24,242,518.80 = 15,829,903.20/x
  3. Step 3: Cross multiply
    16,128,501.60x = 24,242,518.80 × 15,829,903.20
  4. Step 4: Simplify right side
    16,128,501.60x = 383,756,725,928,180.12
  5. Step 5: Solve for x
    x = 383,756,725,928,180.12/16,128,501.60
  6. Step 6: Final answer
    x = 23,793,699.84

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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.