Home / 7,730,031.51-11,596,405.64-2,938,139.55

Finding the Fourth Proportional to 7,730,031.51, 11,596,405.64 and 2,938,139.55

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Solution

The fourth proportional to 7,730,031.51, 11,596,405.64 and 2,938,139.55 is: 4,407,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730,031.51 : 11,596,405.64 = 2,938,139.55 : x
  2. Step 2: Convert to fraction form
    7,730,031.51/11,596,405.64 = 2,938,139.55/x
  3. Step 3: Cross multiply
    7,730,031.51x = 11,596,405.64 × 2,938,139.55
  4. Step 4: Simplify right side
    7,730,031.51x = 34,071,858,034,036.36
  5. Step 5: Solve for x
    x = 34,071,858,034,036.36/7,730,031.51
  6. Step 6: Final answer
    x = 4,407,725.63

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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.