Home / 12,812,547.06-17,681,316.69-7,011,330.06

Finding the Fourth Proportional to 12,812,547.06, 17,681,316.69 and 7,011,330.06

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Solution

The fourth proportional to 12,812,547.06, 17,681,316.69 and 7,011,330.06 is: 9,675,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,547.06 : 17,681,316.69 = 7,011,330.06 : x
  2. Step 2: Convert to fraction form
    12,812,547.06/17,681,316.69 = 7,011,330.06/x
  3. Step 3: Cross multiply
    12,812,547.06x = 17,681,316.69 × 7,011,330.06
  4. Step 4: Simplify right side
    12,812,547.06x = 123,969,547,208,976.70
  5. Step 5: Solve for x
    x = 123,969,547,208,976.70/12,812,547.06
  6. Step 6: Final answer
    x = 9,675,636.44

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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.