Home / 13,775,931.06-20,666,886.02-4,191,060.47

Finding the Fourth Proportional to 13,775,931.06, 20,666,886.02 and 4,191,060.47

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Solution

The fourth proportional to 13,775,931.06, 20,666,886.02 and 4,191,060.47 is: 6,287,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,931.06 : 20,666,886.02 = 4,191,060.47 : x
  2. Step 2: Convert to fraction form
    13,775,931.06/20,666,886.02 = 4,191,060.47/x
  3. Step 3: Cross multiply
    13,775,931.06x = 20,666,886.02 × 4,191,060.47
  4. Step 4: Simplify right side
    13,775,931.06x = 86,616,168,912,127.89
  5. Step 5: Solve for x
    x = 86,616,168,912,127.89/13,775,931.06
  6. Step 6: Final answer
    x = 6,287,500.17

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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.