Home / 31,506,738.40-47,260,107.60-7,572,210.40

Finding the Fourth Proportional to 31,506,738.40, 47,260,107.60 and 7,572,210.40

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Solution

The fourth proportional to 31,506,738.40, 47,260,107.60 and 7,572,210.40 is: 11,358,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,738.40 : 47,260,107.60 = 7,572,210.40 : x
  2. Step 2: Convert to fraction form
    31,506,738.40/47,260,107.60 = 7,572,210.40/x
  3. Step 3: Cross multiply
    31,506,738.40x = 47,260,107.60 × 7,572,210.40
  4. Step 4: Simplify right side
    31,506,738.40x = 357,863,478,273,839.06
  5. Step 5: Solve for x
    x = 357,863,478,273,839.06/31,506,738.40
  6. Step 6: Final answer
    x = 11,358,315.60

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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.