Finding the Fourth Proportional to 26,980,111.68, 40,472,275.68 and 7,811,154.24
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Solution
The fourth proportional to 26,980,111.68, 40,472,275.68 and 7,811,154.24 is: 11,717,341.70
Step by Step Solution
- Step 1: Write the proportion equation
26,980,111.68 : 40,472,275.68 = 7,811,154.24 : x - Step 2: Convert to fraction form
26,980,111.68/40,472,275.68 = 7,811,154.24/x - Step 3: Cross multiply
26,980,111.68x = 40,472,275.68 × 7,811,154.24 - Step 4: Simplify right side
26,980,111.68x = 316,135,187,780,280.88 - Step 5: Solve for x
x = 316,135,187,780,280.88/26,980,111.68 - Step 6: Final answer
x = 11,717,341.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.