Home / 10,506,056.40-15,759,084.60-7,423,698.60

Finding the Fourth Proportional to 10,506,056.40, 15,759,084.60 and 7,423,698.60

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Solution

The fourth proportional to 10,506,056.40, 15,759,084.60 and 7,423,698.60 is: 11,135,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506,056.40 : 15,759,084.60 = 7,423,698.60 : x
  2. Step 2: Convert to fraction form
    10,506,056.40/15,759,084.60 = 7,423,698.60/x
  3. Step 3: Cross multiply
    10,506,056.40x = 15,759,084.60 × 7,423,698.60
  4. Step 4: Simplify right side
    10,506,056.40x = 116,990,694,282,301.55
  5. Step 5: Solve for x
    x = 116,990,694,282,301.55/10,506,056.40
  6. Step 6: Final answer
    x = 11,135,547.90

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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.