Finding the Fourth Proportional to 13,208,188.98, 19,814,252.06 and 4,687,811.94
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Solution
The fourth proportional to 13,208,188.98, 19,814,252.06 and 4,687,811.94 is: 7,032,416.60
Step by Step Solution
- Step 1: Write the proportion equation
13,208,188.98 : 19,814,252.06 = 4,687,811.94 : x - Step 2: Convert to fraction form
13,208,188.98/19,814,252.06 = 4,687,811.94/x - Step 3: Cross multiply
13,208,188.98x = 19,814,252.06 × 4,687,811.94 - Step 4: Simplify right side
13,208,188.98x = 92,885,487,389,037.59 - Step 5: Solve for x
x = 92,885,487,389,037.59/13,208,188.98 - Step 6: Final answer
x = 7,032,416.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.