Home / 30,532,970.40-45,799,455.60-15,416,426.40

Finding the Fourth Proportional to 30,532,970.40, 45,799,455.60 and 15,416,426.40

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Solution

The fourth proportional to 30,532,970.40, 45,799,455.60 and 15,416,426.40 is: 23,124,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532,970.40 : 45,799,455.60 = 15,416,426.40 : x
  2. Step 2: Convert to fraction form
    30,532,970.40/45,799,455.60 = 15,416,426.40/x
  3. Step 3: Cross multiply
    30,532,970.40x = 45,799,455.60 × 15,416,426.40
  4. Step 4: Simplify right side
    30,532,970.40x = 706,063,936,417,467.88
  5. Step 5: Solve for x
    x = 706,063,936,417,467.88/30,532,970.40
  6. Step 6: Final answer
    x = 23,124,639.60

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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.