Home / 7,438,969.51-10,264,848.34-4,130,813.95

Finding the Fourth Proportional to 7,438,969.51, 10,264,848.34 and 4,130,813.95

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Solution

The fourth proportional to 7,438,969.51, 10,264,848.34 and 4,130,813.95 is: 5,700,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,969.51 : 10,264,848.34 = 4,130,813.95 : x
  2. Step 2: Convert to fraction form
    7,438,969.51/10,264,848.34 = 4,130,813.95/x
  3. Step 3: Cross multiply
    7,438,969.51x = 10,264,848.34 × 4,130,813.95
  4. Step 4: Simplify right side
    7,438,969.51x = 42,402,178,666,182.10
  5. Step 5: Solve for x
    x = 42,402,178,666,182.10/7,438,969.51
  6. Step 6: Final answer
    x = 5,700,007.06

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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.