Home / 8,900,345.78-12,282,718.67-5,033,445.20

Finding the Fourth Proportional to 8,900,345.78, 12,282,718.67 and 5,033,445.20

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Solution

The fourth proportional to 8,900,345.78, 12,282,718.67 and 5,033,445.20 is: 6,946,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900,345.78 : 12,282,718.67 = 5,033,445.20 : x
  2. Step 2: Convert to fraction form
    8,900,345.78/12,282,718.67 = 5,033,445.20/x
  3. Step 3: Cross multiply
    8,900,345.78x = 12,282,718.67 × 5,033,445.20
  4. Step 4: Simplify right side
    8,900,345.78x = 61,824,391,245,881.06
  5. Step 5: Solve for x
    x = 61,824,391,245,881.06/8,900,345.78
  6. Step 6: Final answer
    x = 6,946,290.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.