Home / 28,931,935.50-39,927,941.07-16,054,879.50

Finding the Fourth Proportional to 28,931,935.50, 39,927,941.07 and 16,054,879.50

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Solution

The fourth proportional to 28,931,935.50, 39,927,941.07 and 16,054,879.50 is: 22,156,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,935.50 : 39,927,941.07 = 16,054,879.50 : x
  2. Step 2: Convert to fraction form
    28,931,935.50/39,927,941.07 = 16,054,879.50/x
  3. Step 3: Cross multiply
    28,931,935.50x = 39,927,941.07 × 16,054,879.50
  4. Step 4: Simplify right side
    28,931,935.50x = 641,038,282,561,951.12
  5. Step 5: Solve for x
    x = 641,038,282,561,951.12/28,931,935.50
  6. Step 6: Final answer
    x = 22,156,771.45

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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.