Finding the Fourth Proportional to 21,559,030.60, 32,343,038.70 and 7,186,563.40
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Solution
The fourth proportional to 21,559,030.60, 32,343,038.70 and 7,186,563.40 is: 10,781,342.75
Step by Step Solution
- Step 1: Write the proportion equation
21,559,030.60 : 32,343,038.70 = 7,186,563.40 : x - Step 2: Convert to fraction form
21,559,030.60/32,343,038.70 = 7,186,563.40/x - Step 3: Cross multiply
21,559,030.60x = 32,343,038.70 × 7,186,563.40 - Step 4: Simplify right side
21,559,030.60x = 232,435,298,166,203.59 - Step 5: Solve for x
x = 232,435,298,166,203.59/21,559,030.60 - Step 6: Final answer
x = 10,781,342.75
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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.