Home / 15,526,075.34-21,426,128.71-8,557,001.39

Finding the Fourth Proportional to 15,526,075.34, 21,426,128.71 and 8,557,001.39

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Solution

The fourth proportional to 15,526,075.34, 21,426,128.71 and 8,557,001.39 is: 11,808,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526,075.34 : 21,426,128.71 = 8,557,001.39 : x
  2. Step 2: Convert to fraction form
    15,526,075.34/21,426,128.71 = 8,557,001.39/x
  3. Step 3: Cross multiply
    15,526,075.34x = 21,426,128.71 × 8,557,001.39
  4. Step 4: Simplify right side
    15,526,075.34x = 183,343,413,185,961.72
  5. Step 5: Solve for x
    x = 183,343,413,185,961.72/15,526,075.34
  6. Step 6: Final answer
    x = 11,808,741.69

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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.