Finding the Fourth Proportional to 42,616,276.18, 58,771,240.74 and 27,926,607.24
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Solution
The fourth proportional to 42,616,276.18, 58,771,240.74 and 27,926,607.24 is: 38,513,016.72
Step by Step Solution
- Step 1: Write the proportion equation
42,616,276.18 : 58,771,240.74 = 27,926,607.24 : x - Step 2: Convert to fraction form
42,616,276.18/58,771,240.74 = 27,926,607.24/x - Step 3: Cross multiply
42,616,276.18x = 58,771,240.74 × 27,926,607.24 - Step 4: Simplify right side
42,616,276.18x = 1,641,281,357,153,467 - Step 5: Solve for x
x = 1,641,281,357,153,467/42,616,276.18 - Step 6: Final answer
x = 38,513,016.72
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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.