Home / 28,230,641.63-42,342,598.54-7,762,441.20

Finding the Fourth Proportional to 28,230,641.63, 42,342,598.54 and 7,762,441.20

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Solution

The fourth proportional to 28,230,641.63, 42,342,598.54 and 7,762,441.20 is: 11,642,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230,641.63 : 42,342,598.54 = 7,762,441.20 : x
  2. Step 2: Convert to fraction form
    28,230,641.63/42,342,598.54 = 7,762,441.20/x
  3. Step 3: Cross multiply
    28,230,641.63x = 42,342,598.54 × 7,762,441.20
  4. Step 4: Simplify right side
    28,230,641.63x = 328,681,931,421,955.88
  5. Step 5: Solve for x
    x = 328,681,931,421,955.88/28,230,641.63
  6. Step 6: Final answer
    x = 11,642,736.84

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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.