Finding the Fourth Proportional to 7,912,178.08, 11,873,140.08 and 3,119,051.68
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Solution
The fourth proportional to 7,912,178.08, 11,873,140.08 and 3,119,051.68 is: 4,680,498.48
Step by Step Solution
- Step 1: Write the proportion equation
7,912,178.08 : 11,873,140.08 = 3,119,051.68 : x - Step 2: Convert to fraction form
7,912,178.08/11,873,140.08 = 3,119,051.68/x - Step 3: Cross multiply
7,912,178.08x = 11,873,140.08 × 3,119,051.68 - Step 4: Simplify right side
7,912,178.08x = 37,032,937,513,399.34 - Step 5: Solve for x
x = 37,032,937,513,399.34/7,912,178.08 - Step 6: Final answer
x = 4,680,498.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.