Finding the Fourth Proportional to 58,572,138.80, 87,862,698.84 and 19,710,781.76
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Solution
The fourth proportional to 58,572,138.80, 87,862,698.84 and 19,710,781.76 is: 29,567,683.84
Step by Step Solution
- Step 1: Write the proportion equation
58,572,138.80 : 87,862,698.84 = 19,710,781.76 : x - Step 2: Convert to fraction form
58,572,138.80/87,862,698.84 = 19,710,781.76/x - Step 3: Cross multiply
58,572,138.80x = 87,862,698.84 × 19,710,781.76 - Step 4: Simplify right side
58,572,138.80x = 1,731,842,481,679,845.25 - Step 5: Solve for x
x = 1,731,842,481,679,845.25/58,572,138.80 - Step 6: Final answer
x = 29,567,683.84
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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.