Home / 27,695,239.74-38,219,547.15-15,136,547.04

Finding the Fourth Proportional to 27,695,239.74, 38,219,547.15 and 15,136,547.04

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Solution

The fourth proportional to 27,695,239.74, 38,219,547.15 and 15,136,547.04 is: 20,888,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,695,239.74 : 38,219,547.15 = 15,136,547.04 : x
  2. Step 2: Convert to fraction form
    27,695,239.74/38,219,547.15 = 15,136,547.04/x
  3. Step 3: Cross multiply
    27,695,239.74x = 38,219,547.15 × 15,136,547.04
  4. Step 4: Simplify right side
    27,695,239.74x = 578,511,973,283,472.88
  5. Step 5: Solve for x
    x = 578,511,973,283,472.88/27,695,239.74
  6. Step 6: Final answer
    x = 20,888,498.48

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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.