Home / 10,316,335.80-15,474,503.70-9,879,497.40

Finding the Fourth Proportional to 10,316,335.80, 15,474,503.70 and 9,879,497.40

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Solution

The fourth proportional to 10,316,335.80, 15,474,503.70 and 9,879,497.40 is: 14,819,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316,335.80 : 15,474,503.70 = 9,879,497.40 : x
  2. Step 2: Convert to fraction form
    10,316,335.80/15,474,503.70 = 9,879,497.40/x
  3. Step 3: Cross multiply
    10,316,335.80x = 15,474,503.70 × 9,879,497.40
  4. Step 4: Simplify right side
    10,316,335.80x = 152,880,319,070,440.38
  5. Step 5: Solve for x
    x = 152,880,319,070,440.38/10,316,335.80
  6. Step 6: Final answer
    x = 14,819,246.10

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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.