Finding the Fourth Proportional to 7,138,973.02, 9,842,267.56 and 5,673,774.14
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Solution
The fourth proportional to 7,138,973.02, 9,842,267.56 and 5,673,774.14 is: 7,822,246.00
Step by Step Solution
- Step 1: Write the proportion equation
7,138,973.02 : 9,842,267.56 = 5,673,774.14 : x - Step 2: Convert to fraction form
7,138,973.02/9,842,267.56 = 5,673,774.14/x - Step 3: Cross multiply
7,138,973.02x = 9,842,267.56 × 5,673,774.14 - Step 4: Simplify right side
7,138,973.02x = 55,842,803,160,888.90 - Step 5: Solve for x
x = 55,842,803,160,888.90/7,138,973.02 - Step 6: Final answer
x = 7,822,246.00
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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.