Home / 7,287,688.40-10,931,532.60-5,870,512.40

Finding the Fourth Proportional to 7,287,688.40, 10,931,532.60 and 5,870,512.40

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Solution

The fourth proportional to 7,287,688.40, 10,931,532.60 and 5,870,512.40 is: 8,805,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,688.40 : 10,931,532.60 = 5,870,512.40 : x
  2. Step 2: Convert to fraction form
    7,287,688.40/10,931,532.60 = 5,870,512.40/x
  3. Step 3: Cross multiply
    7,287,688.40x = 10,931,532.60 × 5,870,512.40
  4. Step 4: Simplify right side
    7,287,688.40x = 64,173,697,679,304.24
  5. Step 5: Solve for x
    x = 64,173,697,679,304.24/7,287,688.40
  6. Step 6: Final answer
    x = 8,805,768.60

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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.