Finding the Fourth Proportional to 15,700,387.24, 21,667,148.58 and 8,824,848.04
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Solution
The fourth proportional to 15,700,387.24, 21,667,148.58 and 8,824,848.04 is: 12,178,635.52
Step by Step Solution
- Step 1: Write the proportion equation
15,700,387.24 : 21,667,148.58 = 8,824,848.04 : x - Step 2: Convert to fraction form
15,700,387.24/21,667,148.58 = 8,824,848.04/x - Step 3: Cross multiply
15,700,387.24x = 21,667,148.58 × 8,824,848.04 - Step 4: Simplify right side
15,700,387.24x = 191,209,293,678,601.75 - Step 5: Solve for x
x = 191,209,293,678,601.75/15,700,387.24 - Step 6: Final answer
x = 12,178,635.52
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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.