Home / 9,000,964.48-12,421,368.81-4,870,995.79

Finding the Fourth Proportional to 9,000,964.48, 12,421,368.81 and 4,870,995.79

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Solution

The fourth proportional to 9,000,964.48, 12,421,368.81 and 4,870,995.79 is: 6,721,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,964.48 : 12,421,368.81 = 4,870,995.79 : x
  2. Step 2: Convert to fraction form
    9,000,964.48/12,421,368.81 = 4,870,995.79/x
  3. Step 3: Cross multiply
    9,000,964.48x = 12,421,368.81 × 4,870,995.79
  4. Step 4: Simplify right side
    9,000,964.48x = 60,504,435,179,547.31
  5. Step 5: Solve for x
    x = 60,504,435,179,547.31/9,000,964.48
  6. Step 6: Final answer
    x = 6,721,994.66

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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.