Finding the Fourth Proportional to 23,282,169.48, 32,129,423.55 and 12,685,509.18
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Solution
The fourth proportional to 23,282,169.48, 32,129,423.55 and 12,685,509.18 is: 17,506,018.83
Step by Step Solution
- Step 1: Write the proportion equation
23,282,169.48 : 32,129,423.55 = 12,685,509.18 : x - Step 2: Convert to fraction form
23,282,169.48/32,129,423.55 = 12,685,509.18/x - Step 3: Cross multiply
23,282,169.48x = 32,129,423.55 × 12,685,509.18 - Step 4: Simplify right side
23,282,169.48x = 407,578,097,391,633.19 - Step 5: Solve for x
x = 407,578,097,391,633.19/23,282,169.48 - Step 6: Final answer
x = 17,506,018.83
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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.