Home / 9,773,780.16-13,489,434.72-5,424,263.52

Finding the Fourth Proportional to 9,773,780.16, 13,489,434.72 and 5,424,263.52

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Solution

The fourth proportional to 9,773,780.16, 13,489,434.72 and 5,424,263.52 is: 7,486,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,773,780.16 : 13,489,434.72 = 5,424,263.52 : x
  2. Step 2: Convert to fraction form
    9,773,780.16/13,489,434.72 = 5,424,263.52/x
  3. Step 3: Cross multiply
    9,773,780.16x = 13,489,434.72 × 5,424,263.52
  4. Step 4: Simplify right side
    9,773,780.16x = 73,170,248,657,117.41
  5. Step 5: Solve for x
    x = 73,170,248,657,117.41/9,773,780.16
  6. Step 6: Final answer
    x = 7,486,381.67

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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.