Home / 28,931,417.60-43,334,140.80-17,552,019.20

Finding the Fourth Proportional to 28,931,417.60, 43,334,140.80 and 17,552,019.20

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Solution

The fourth proportional to 28,931,417.60, 43,334,140.80 and 17,552,019.20 is: 26,289,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,417.60 : 43,334,140.80 = 17,552,019.20 : x
  2. Step 2: Convert to fraction form
    28,931,417.60/43,334,140.80 = 17,552,019.20/x
  3. Step 3: Cross multiply
    28,931,417.60x = 43,334,140.80 × 17,552,019.20
  4. Step 4: Simplify right side
    28,931,417.60x = 760,601,671,337,103.25
  5. Step 5: Solve for x
    x = 760,601,671,337,103.25/28,931,417.60
  6. Step 6: Final answer
    x = 26,289,816.90

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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.