Home / 9,000,888.72-12,421,257.80-4,870,918.83

Finding the Fourth Proportional to 9,000,888.72, 12,421,257.80 and 4,870,918.83

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Solution

The fourth proportional to 9,000,888.72, 12,421,257.80 and 4,870,918.83 is: 6,721,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,888.72 : 12,421,257.80 = 4,870,918.83 : x
  2. Step 2: Convert to fraction form
    9,000,888.72/12,421,257.80 = 4,870,918.83/x
  3. Step 3: Cross multiply
    9,000,888.72x = 12,421,257.80 × 4,870,918.83
  4. Step 4: Simplify right side
    9,000,888.72x = 60,502,938,423,843.49
  5. Step 5: Solve for x
    x = 60,502,938,423,843.49/9,000,888.72
  6. Step 6: Final answer
    x = 6,721,884.95

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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.