Home / 28,465,313.60-42,697,970.40-13,112,573.60

Finding the Fourth Proportional to 28,465,313.60, 42,697,970.40 and 13,112,573.60

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Solution

The fourth proportional to 28,465,313.60, 42,697,970.40 and 13,112,573.60 is: 19,668,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465,313.60 : 42,697,970.40 = 13,112,573.60 : x
  2. Step 2: Convert to fraction form
    28,465,313.60/42,697,970.40 = 13,112,573.60/x
  3. Step 3: Cross multiply
    28,465,313.60x = 42,697,970.40 × 13,112,573.60
  4. Step 4: Simplify right side
    28,465,313.60x = 559,880,279,440,621.38
  5. Step 5: Solve for x
    x = 559,880,279,440,621.38/28,465,313.60
  6. Step 6: Final answer
    x = 19,668,860.40

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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.