Home / 13,353,870.51-20,020,341.51-5,272,894.85

Finding the Fourth Proportional to 13,353,870.51, 20,020,341.51 and 5,272,894.85

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Solution

The fourth proportional to 13,353,870.51, 20,020,341.51 and 5,272,894.85 is: 7,905,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,870.51 : 20,020,341.51 = 5,272,894.85 : x
  2. Step 2: Convert to fraction form
    13,353,870.51/20,020,341.51 = 5,272,894.85/x
  3. Step 3: Cross multiply
    13,353,870.51x = 20,020,341.51 × 5,272,894.85
  4. Step 4: Simplify right side
    13,353,870.51x = 105,565,155,543,218.52
  5. Step 5: Solve for x
    x = 105,565,155,543,218.52/13,353,870.51
  6. Step 6: Final answer
    x = 7,905,210.36

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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.