Finding the Fourth Proportional to 19,210,087.35, 28,817,149.04 and 6,257,247.35
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Solution
The fourth proportional to 19,210,087.35, 28,817,149.04 and 6,257,247.35 is: 9,386,528.35
Step by Step Solution
- Step 1: Write the proportion equation
19,210,087.35 : 28,817,149.04 = 6,257,247.35 : x - Step 2: Convert to fraction form
19,210,087.35/28,817,149.04 = 6,257,247.35/x - Step 3: Cross multiply
19,210,087.35x = 28,817,149.04 × 6,257,247.35 - Step 4: Simplify right side
19,210,087.35x = 180,316,029,465,095.03 - Step 5: Solve for x
x = 180,316,029,465,095.03/19,210,087.35 - Step 6: Final answer
x = 9,386,528.35
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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.