Home / 42,521,332.63-58,697,577.15-28,590,762.28

Finding the Fourth Proportional to 42,521,332.63, 58,697,577.15 and 28,590,762.28

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Solution

The fourth proportional to 42,521,332.63, 58,697,577.15 and 28,590,762.28 is: 39,467,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,521,332.63 : 58,697,577.15 = 28,590,762.28 : x
  2. Step 2: Convert to fraction form
    42,521,332.63/58,697,577.15 = 28,590,762.28/x
  3. Step 3: Cross multiply
    42,521,332.63x = 58,697,577.15 × 28,590,762.28
  4. Step 4: Simplify right side
    42,521,332.63x = 1,678,208,474,414,122
  5. Step 5: Solve for x
    x = 1,678,208,474,414,122/42,521,332.63
  6. Step 6: Final answer
    x = 39,467,447.77

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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.